Rescue workers from Germany's fire and rescue service handle equipment to be used to help people affected by the deadly earthquake outside Adana Airport, in Adana, Turkey, February 7, 2023. REUTERS/Emilie Madi 

Rescue dogs from Germany's fire and rescue service stand outside Adana Airport, in Adana, Turkey, February 7, 2023. REUTERS/Emilie Madi 

A rescue worker from Germany's fire and rescue service and a Turkish officer handle equipment to be used to help people affected by the deadly earthquake, as Umur Zamanoglu, Turkish search and rescue team leader coordinates arrivals of foreign aid workers outside Adana Airport, in Adana, Turkey, February 7, 2023. REUTERS/Emilie Madi 

Johannes Gust from Germany's fire and rescue service and a Turkish officer handle equipment to be used to help people affected by the deadly earthquake, outside Adana Airport, in Adana, Turkey, February 7, 2023. REUTERS/Emilie Madi 

Rescue workers from Germany's fire and rescue service handle equipment to be used to help people affected by the deadly earthquake as Umur Zamanoglu, Turkish search and rescue team leader coordinates arrivals of foreign aid workers outside Adana Airport, following an earthquake, in Adana, Turkey, February 7, 2023. REUTERS/Emilie Madi 

British Prime Minister Boris Johnson meets with the Southampton Airport's fire and rescue crew on the tarmac of Southampton Airport, as part of his visit to the Eastleigh constituency ahead of the local elections, in Southampton, Britain May 4, 2022. Adrian Dennis/Pool via REUTERS 

British Prime Minister Boris Johnson gets off a vehicle of the Southampton Airport's fire and rescue crew on the tarmac of Southampton Airport, as part of his visit to the Eastleigh constituency ahead of the local elections, in Southampton, Britain May 4, 2022. Adrian Dennis/Pool via REUTERS 

New South Wales Rural Fire Service personnel participate in an emergency management rescue exercise at Botany Bay hosted by the Sydney Airport, including simulation of an aircraft crash over water, in Sydney, Australia, October 28, 2020. REUTERS/Loren Elliott 

Rescue personnel runs along the mock plane set on fire during an emergency drill simulating a plane crash at the Tribhuvan International Airport in Kathmandu, Nepal June 23, 2017. REUTERS/Navesh Chitrakar 

Ukrainian military helicopter flies over fire vehicles during a rescue training exercise at Boryspil International Airport outside Kiev, Ukraine, September 27, 2016. REUTERS/Valentyn Ogirenko 

A mock aircraft is covered by fire and smoke during a Crash and Rescue Exercise (CREX) at the runway of Ninoy Aquino International Airport Terminal 3 in Pasay city, metro Manila November 12, 2015. According to the organizer, the annual drill is part of the Manila International Airport Authority's preparedness exercise aimed at improving its security standards in compliance with the Civil Aviation Organization. REUTERS/Romeo Ranoco 

Fire fighters rescue a dummy passenger from a burned mock aircraft during a Crash and Rescue Exercise (CREX) at the runway of Ninoy Aquino International Airport terminal 3 in Pasay city, metro Manila November 12, 2015. According to the organizer, the annual drill is part of the Manila International Airport Authority's preparedness exercise aimed at improving its security standards in compliance with the Civil Aviation Organization. REUTERS/Romeo Ranoco 

Fire fighters use a water cannon to control the fire from a mock aircraft during a Crash and Rescue Exercise (CREX) at the runway of Ninoy Aquino International Airport terminal 3 in Pasay city, metro Manila November 12, 2015. According to the organizer, the annual drill is part of the Manila International Airport Authority's preparedness exercise aimed at improving its security standards in compliance with the Civil Aviation Organization. REUTERS/Romeo Ranoco 

Soldiers push a military rescue helicopter to a safe place at Kalay airport as smoke raises from a fire near a petrol station in Kalay township at Sagaing division, Myanmar, August 2, 2015. Storms and floods have so far killed 21 people, with water levels as high as 2.5 metres in Sagaing and 4.5 metres in western Rakhine state, according to the government, which on Friday declared four regions disaster zones. REUTERS/Soe Zeya Tun 

An airplane carrying aid for flood victims lands at Kalay airport as smoke raises from a fire near a petrol station in Kalay township at Sagaing division, Myanmar August 2, 2015. Storms and floods have so far killed 21 people, with water levels as high as 2.5 metres in Sagaing and 4.5 metres in western Rakhine state, according to the government, which on Friday declared four regions disaster zones. REUTERS/Soe Zeya Tun TPX IMAGES OF THE DAY

An airplane carrying aid for flood victims lands at Kalay airport as smoke raises from a fire near a petrol station in Kalay township at Sagaing division, Myanmar August 2, 2015. Storms and floods have so far killed 21 people, with water levels as high as 2.5 metres in Sagaing and 4.5 metres in western Rakhine state, according to the government, which on Friday declared four regions disaster zones. REUTERS/Soe Zeya Tun 

An airplane carrying aid for flood victims lands at Kalay airport as smoke raises from a fire near a petrol station in Kalay township at Sagaing division, Myanmar August 2, 2015. Storms and floods have so far killed 21 people, with water levels as high as 2.5 metres in Sagaing and 4.5 metres in western Rakhine state, according to the government, which on Friday declared four regions disaster zones. REUTERS/Soe Zeya Tun 

Fire and rescue service personnel attend the site of an airplane crash at the British Car Auctions lot next to Blackbushe Airport, near Camberley in southern Britain August 1, 2015. The private jet crashed in southern England on Friday, killing four people on board, a spokesman for Britain's Hampshire police service said, and Saudi and British media said the passengers were relatives of deceased al Qaeda leader Osama Bin Laden. REUTERS/Luke MacGregor 

A woman who was rescued from the Norman Atlantic ferry that caught fire off Greece's Adriatic Coast reacts as she arrives at the Athens International Airport in Athens December 31, 2014. As salvage operations continued, there was confusion over the numbers on the ship, with dozens of names on the passenger manifest unaccounted for and no clarity over whether they had drowned or had not actually been aboard in the first place. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

A man who was rescued from the Norman Atlantic ferry that caught fire off Greece's Adriatic Coast reacts as he arrives at the Athens International Airport in Athens December 31, 2014. As salvage operations continued, there was confusion over the numbers on the ship, with dozens of names on the passenger manifest unaccounted for and no clarity over whether they had drowned or had not actually been aboard in the first place. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

A woman who was rescued from the Norman Atlantic ferry that caught fire off Greece's Adriatic Coast reacts as she arrives at the Athens International Airport in Athens December 31, 2014. As salvage operations continued, there was confusion over the numbers on the ship, with dozens of names on the passenger manifest unaccounted for and no clarity over whether they had drowned or had not actually been aboard in the first place. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

A man who was rescued from the Norman Atlantic ferry that caught fire off Greece's Adriatic Coast is welcomed by his wife at the Athens International Airport in Athens December 31, 2014. As salvage operations continued, there was confusion over the numbers on the ship, with dozens of names on the passenger manifest unaccounted for and no clarity over whether they had drowned or had not actually been aboard in the first place. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

Michalis Louros (R), who was rescued from the Norman Atlantic ferry that caught fire off Greece's Adriatic Coast, is welcomed by relatives at the Athens International Airport in Athens December 31, 2014. As salvage operations continued, there was confusion over the numbers on the ship, with dozens of names on the passenger manifest unaccounted for and no clarity over whether they had drowned or had not actually been aboard in the first place. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

Michalis Louros (R), who was rescued from the Norman Atlantic ferry that caught fire off Greece's Adriatic Coast, is welcomed by relatives at the Athens International Airport in Athens December 31, 2014. As salvage operations continued, there was confusion over the numbers on the ship, with dozens of names on the passenger manifest unaccounted for and no clarity over whether they had drowned or had not actually been aboard in the first place. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

Michalis Louros (R), who was rescued from the Norman Atlantic ferry that caught fire off Greece's Adriatic Coast, is welcomed by relatives at the Athens International Airport in Athens December 31, 2014. As salvage operations continued, there was confusion over the numbers on the ship, with dozens of names on the passenger manifest unaccounted for and no clarity over whether they had drowned or had not actually been aboard in the first place. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

Efstathios Liagkas (C), who was rescued from the Norman Atlantic ferry that caught fire off Greece's Adriatic Coast, is welcomed by relatives and friends at the Athens International Airport in Athens December 31, 2014. As salvage operations continued, there was confusion over the numbers on the ship, with dozens of names on the passenger manifest unaccounted for and no clarity over whether they had drowned or had not actually been aboard in the first place. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

Passengers rescued from the Norman Atlantic ferry are seen at the arrivals terminal of the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Yannis Kolesidis/Pool (GREECE - Tags: DISASTER MARITIME TRANSPORT) 

Passengers rescued from the Norman Atlantic ferry are seen in a bus after they arrived at the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Yannis Kolesidis/Pool (GREECE - Tags: DISASTER MARITIME TRANSPORT) 

A man and his daughter, both rescued from the Norman Atlantic ferry, are seen at the arrivals terminal of the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. Picture taken December 29, 2014. REUTERS/Yannis Kolesidis/Pool (GREECE - Tags: DISASTER MARITIME TRANSPORT) 

A man (C) and his daughter (2nd L), both rescued from the Norman Atlantic ferry, disembark from a Greek Airforce C-130 military cargo aircraft at the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Yannis Kolesidis/Pool (GREECE - Tags: DISASTER MARITIME TRANSPORT TPX IMAGES OF THE DAY) 

A woman (C) reacts as she waits for a relative who was rescued from the Norman Atlantic ferry, at the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

A man and his daughter, who were rescued from the Norman Atlantic ferry, arrive at the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

Relatives and friends listen to a military officer reading the names of the passengers of the Norman Atlantic ferry expected to arrive at the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

A man (C) who was rescued from the Norman Atlantic ferry is welcomed by relatives after arriving at the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

A man (2nd L) and his daughter (2nd R), who were rescued from the Norman Atlantic ferry, are welcomed by relatives after arriving at the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

Andreas Tolaros, who was rescued from the Norman Atlantic ferry, hugs a friend after arriving at the Elefsina military airport near Athens December 29, 2014. Rescue teams evacuated more than 400 people from a car ferry that caught fire off Greece's Adriatic coast in a 36-hour operation on roiling seas, but 10 people were killed in the disaster. Italian and Greek authorities continued an air search of the sea around the vessel while they sought to verify the number of passengers who had been on board, fearing that many people could be missing. The fire broke out on Sunday on a vehicle deck of the Norman Atlantic ferry, whose manifest said should be carrying 478 passengers and crew and more than 200 vehicles. Rescue efforts were complicated by bad weather. REUTERS/Alkis Konstantinidis (GREECE - Tags: DISASTER MARITIME) 

A plane used for training exercises by fire and rescue crews is seen with the logo of ADP (Groupe Aeroports de Paris) on the tarmac of Charles de Gaulle Airport in Roissy, north of Paris, December 8, 2014. REUTERS/Charles Platiau (FRANCE) 

A plane used for training exercises by fire and rescue crews is seen with the logo of ADP (Groupe Aeroports de Paris) on the tarmac of Charles de Gaulle Airport in Roissy, north of Paris, December 8, 2014. REUTERS/Charles Platiau (FRANCE) 

First responders work with volunteers pretending to be victims in a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

Volunteer Mike Egbert applies makeup before pretending to be wounded in a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

U.S. Airways Captain Dan Goebel applies makeup prior to pretending to go through a plane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

U.S. Airways Captain Dan Goebel applies makeup prior to pretending to go through a plane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

Volunteers pretending to be crash victims try to flag down first responders after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

Volunteers pretending to be crash victims try to flag down first responders after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

Volunteers pretending to be crash victims lie on the ground after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

A member of the support staff grills hot dogs to feed volunteers and first responders during a simulated plane crash in a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT FOOD) 

A volunteer with an empathy dog takes pictures of a simulated plane crash while waiting for his role, to provide emotional support to people pretending to be victims' family members, during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT ANIMALS) 

Volunteers pretending to be crash victims lie on the ground after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

First responders carry away volunteers pretending to be victims in a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

Volunteers pretending to be crash victims lie on the ground after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

First responders carry away volunteers pretending to be victims in a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

A volunteer pretends to be in shock after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

Volunteers pretending to be victims look on as firefighters put out a training fire as part of a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

Evaluators take notes as volunteers pretending to be victims lie on colored tarps in a triage area after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: TRANSPORT DISASTER) 

A volunteer (2nd R) pretending to be an ambulatory crash victim walks away after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

Volunteer role-player Renee Mason (2nd R) pretends to suffer from a pencil wound to the eye as she sits on a colored tarp in a triage area after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: CRIME LAW TRANSPORT TPX IMAGES OF THE DAY) 

A volunteer pretending to be a crash victim lies on a colored tarp in a triage area after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT) 

First responders work with volunteers pretending to be victims in a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT TPX IMAGES OF THE DAY) 

Volunteers pretending to be victims lie on colored tarps in a triage area after a simulated airplane crash during a full-scale emergency preparedness exercise at Washington's Reagan National Airport in Arlington, Virginia, September 21, 2013. The exercise, which the airport is required to complete every three years, included a river rescue, support helicopters, a trainer aircraft that was lit on fire, 150 volunteer role players and more than 50 responding vehicles from 13 surrounding fire departments. REUTERS/Jonathan Ernst (UNITED STATES - Tags: DISASTER TRANSPORT)