A U.S. Navy sailor looks at the sea from the hangar bay of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors exercise at the hangar bay of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors perform a Foreign Object Debris (FOD) walk at the hangar bay of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy Aviation Machinist's Mate Petty Officer 3rd Class James Bianzon inspects an F/A-18 fighter jet of the "Checkmates" squadron at the hangar bay of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

A U.S. Navy sailor works on an F/A-18 fighter jet at the hangar bay of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors work on the flight deck of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy catapult officer Lieutenant Melvin Gidden wears a yellow jersey displaying his role as "Shooter" during an interview with Reuters at the hangar bay of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors perform a Foreign Object Debris (FOD) walk on the flight deck of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

A U.S. Navy sailor looks at the flight deck from the bridge of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy catapult officers, known as "shooters", use hand signals before the take off of an F/A-18 fighter jet from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

A U.S. Navy sailor uses hand signals before the take off of an F/A-18 fighter jet from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy catapult officers, known as "shooters", are seen amid steam, following the takeoff of an F/A-18 fighter jet from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors make their way at the hangar bay of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy catapult officers, known as "shooters", use hand signals before the take off of an F/A-18 fighter jet from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

A U.S. Navy catapult officer, known as "shooter", uses hand signals before the take off of an F/A-18 fighter jet from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy catapult officers, known as "shooters", use hand signals before the take off of an F/A-18 fighter jet from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors are seen on the flight deck of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

A U.S. Navy sailor carries a tray of cooked food in one of the galleys of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 5, 2018. Picture taken May 5, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors are served in one of the galleys of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 5, 2018. Picture taken May 5, 2018. REUTERS/Alkis Konstantinidis 

F/A-18 fighter jets are seen on the flight deck of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 5, 2018. Picture taken May 5, 2018. REUTERS/Alkis Konstantinidis 

An F/A-18 fighter jet takes off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

An F/A-18 fighter jet lands on the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

F/A-18 fighter jets fly over the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

An F/A-18 fighter jet takes off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

Commander of the Carrier Strike Group 8, Rear Admiral Gene Black is seen on the bridge of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

A U.S. Navy E-2C Hawkeye prepares to take off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

An F/A-18 fighter jet takes off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors perform checks on an F/A-18 fighter jet as another F/A-18 prepares to land on the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis TPX IMAGES OF THE DAY 

An F/A-18 fighter jet prepares to take off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

An F/A-18 fighter jet takes off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

A Navy F/A-18 pilot (R) gestures before taking off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy sailors walk on the flight deck of the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

U.S. Navy flight deck personnel use hand signals as an F/A-18 fighter jet prepares to take off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, May 4, 2018. Picture taken May 4, 2018. REUTERS/Alkis Konstantinidis 

Greek Communist Party supporters clash with police as they try to bring down a statue of former U.S. President Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis TPX IMAGES OF THE DAY 

A riot police officer runs behind Greek Communist Party supporters who tried to bring down a statue of former U.S. President Harry Truman, during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

A riot police officer runs behind Greek Communist Party supporters who tried to bring down a statue of former U.S. President Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

An injured protester is seen during clashes between riot police and Greek Communist Party supporters who tried to bring down a statue of former U.S. President Harry Truman, during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

A riot police officer detains a protester as Greek Communist Party supporters tried to bring down a statue of former U.S. President Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

An injured protester is treated by fellow protesters of the Greek Communist Party who tried to bring down a statue of former U.S. President Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

A riot police officer detains a protester as Greek Communist Party supporters tried to bring down a statue of former U.S. President Harry Truman, seen in the background, during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

An injured protester is treated by fellow protesters of the Greek Communist Party who tried to bring down a statue of former U.S. President Harry Truman, seen in the background, during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

A riot police officer clashes with Greek Communist Party supporters who tried to bring down a statue of former U.S. President Harry Truman, seen in the background, during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece April 16, 2018. REUTERS/Alkis Konstantinidis 

A riot police officer clashes with Greek Communist Party supporters who tried to bring down a statue of former U.S. President Harry Truman, seen in the background, during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece April 16, 2018. REUTERS/Alkis Konstantinidis 

Greek Communist Party supporters clash with police as they try to bring down a statue of former U.S. President Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

Greek Communist Party supporters clash with police as they try to bring down a statue of former U.S. President Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece April 16, 2018. REUTERS/Alkis Konstantinidis 

Greek Communist Party supporters clash with police as they try to bring down a statue of former U.S. President Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

Greek Communist Party supporters clash with police as they try to bring down a statue of former U.S. President Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece, April 16, 2018. REUTERS/Alkis Konstantinidis 

A statue of former U.S. president Harry Truman is tied with ropes as a supporter of the Greek Communist Party uses a grinder in a effort to bring the statue down during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece April 16, 2018. REUTERS/Alkis Konstantinidis 

Greek Communist Party supporters clash with police as they try to bring down a statue of former U.S. president Harry Truman during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece April 16, 2018. REUTERS/Alkis Konstantinidis 

A statue of former U.S. president Harry Truman is tied with ropes as a supporter of the Greek Communist Party uses a grinder in a effort to bring the statue down during a demonstration against air strikes on Syria by the United States, Britain and France, in Athens, Greece April 16, 2018. REUTERS/Alkis Konstantinidis 

Standing under a painting of President Harry S. Truman, White House senior advisers Ivanka Trump and Jared Kushner listen as U.S. President Donald Trump holds a cabinet meeting at the White House in Washington, U.S., March 8, 2018. REUTERS/Kevin Lamarque 

Standing under a painting of President Harry S. Truman, White House senior advisers Ivanka Trump and Jared Kushner listen as U.S. President Donald Trump holds a cabinet meeting at the White House in Washington, U.S., March 8, 2018. REUTERS/Kevin Lamarque 

White House Chief of Staff John Kelly stands beneath a painting of President Harry S. Truman as U.S. President Donald Trump holds a meeting on trade with members of Congress at the White House in Washington, U.S., February 13, 2018. REUTERS/Kevin Lamarque 

A sailor uses binoculars at sundown from the bridge of the USS Harry S.Truman aircraft carrier in the eastern Mediterranean Sea June 13, 2016. REUTERS/Baz Ratner SEARCH "USS HARRY S. TRUMAN" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Navy F/A-18 pilot Commander Higgins from the VFA-83 Squadron also known as the "Rampagers" climbs in to his plane before a mission, on the USS Harry S. Truman aircraft carrier, in the eastern Mediterranean Sea, June 15, 2016. REUTERS/Baz Ratner SEARCH "USS HARRY S. TRUMAN" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

A US Navy helicopter transfers equipment onto the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea, June 15, 2016. REUTERS/Baz Ratner SEARCH "USS HARRY S. TRUMAN" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Military personnel walk on the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea June 13, 2016. REUTERS/Baz Ratner SEARCH "USS HARRY S. TRUMAN" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES? 

A US Navy E-2C Hawkeye lands on the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea June 13, 2016. REUTERS/Baz Ratner SEARCH "USS HARRY S. TRUMAN" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES