People dressed in Christmas costumes stand in front of a vintage U.S. C-54 aircraft during an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service in front of a vintage U.S. C-54 aircraft at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch TPX IMAGES OF THE DAY

A man wearing a Christmas costume and a protective mask leaves an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes stand in front of a vintage U.S. C-54 aircraft during an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A woman in a Christmas costume wears a protective face mask at an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A woman holds a book as she attenda an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A man dressed as Santa Claus wears a protective face mask during an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Santa Claus costumes leave an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People wearing Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A man dressed in Santa Claus costume attends an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A woman in Santa Claus costume wears a protective face mask during an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A man dressed in Santa Claus costume holds a coronavirus model as he attends an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A man dressed in Santa Claus costume holds a coronavirus model as he attends an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A woman in a Christmas angel costume wears a protective face mask during an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

A man dressed as Santa Claus wears a protective face mask during an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Christmas costumes attend an annual meeting of a rent-a-Santa Claus and Angel service in front of a vintage U.S. C-54 aircraft at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Santa Claus and Christmas angels costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

People dressed in Santa Claus and Christmas angels costumes attend an annual meeting of a rent-a-Santa Claus and Angel service at the former Berlin-Tempelhof airfield, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, December 5, 2020. REUTERS/Fabrizio Bensch

An Iraqi military aircraft is pictured at Qayyarah Airfield, Iraq December 1, 2020. REUTERS/Khalid al-Mousily

U.S. President Donald Trump points a finger as he prepares to get into a vehicle after arriving aboard Air Force One at Pope Airfield, in Fort Bragg, North Carolina, U.S., October 29, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump and first lady Melania Trump exit Air Force One as they arrive at Pope Airfield, in Fort Bragg, North Carolina, U.S., October 29, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump waves as he prepares to get into a vehicle after arriving aboard Air Force One at Pope Airfield, in Fort Bragg, North Carolina, U.S., October 29, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump and First Lady Melania Trump walk after arriving aboard Air Force One at Pope Airfield, in Fort Bragg, North Carolina, U.S., October 29, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump dances at the end of a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump departs at the end of a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump looks back at his supporters as he departs at the end of a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump departs the stage at the end of a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump looks out at supporters at the end of a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

U.S. President Donald Trump looks out at supporters at the end of a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump looks out at supporters at the end of a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump looks out at supporters at the end of a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

Supporters of U.S. President Donald Trump watch from the top of the stands as he returns to Air Force One at the end of a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump waves to supporters at the end of a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks at a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks at a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks at a campaign rally at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump looks back at his supporters as he departs at the end of a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

White House senior advisor Jared Kushner talks with White House Chief of Staff Mark Meadows as they walk to board Air Force One with U.S. President Donald Trump after a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump departs at the end of a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks during a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks during a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

People attend a campaign event by U.S. President Donald Trump at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

People attend a campaign event by U.S. President Donald Trump at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

People attend a campaign event by U.S. President Donald Trump at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks during a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump arrives to a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump holds a campaign event at Eppley Airfield in Omaha, Nebraska, U.S. October 27, 2020. REUTERS/Jonathan Ernst

Students of the General Yermolov Cadet School train before boarding a plane as they take part in a parachute jumping exercise at an airfield in the village of Novomaryevskaya outside Stavropol, Russia October 18, 2020. REUTERS/Eduard Korniyenko

A student of the General Yermolov Cadet School trains before boarding a plane as she takes part in a parachute jumping exercise at an airfield in the village of Novomaryevskaya outside Stavropol, Russia October 18, 2020. REUTERS/Eduard Korniyenko

Students of the General Yermolov Cadet School jump from an airplane with parachutes at an airfield in the village of Novomaryevskaya outside Stavropol, Russia October 18, 2020. REUTERS/Eduard Korniyenko

Students of the General Yermolov Cadet School sit onboard a plane before a parachute jump at an airfield in the village of Novomaryevskaya outside Stavropol, Russia October 18, 2020. REUTERS/Eduard Korniyenko

A student of the General Yermolov Cadet School poses for a picture before boarding a plane as she takes part in a parachute jumping exercise at an airfield in the village of Novomaryevskaya outside Stavropol, Russia October 18, 2020. REUTERS/Eduard Korniyenko TPX IMAGES OF THE DAY

Members of the U.S. Secret Service scan the airfield as the Air Force Two carrying U.S. Vice President Mike Pence arrives ahead of the vice presidential debate in Salt Lake City, Utah, U.S., October 5, 2020. REUTERS/Brian Snyder

Servicemen of the self-proclaimed Luhansk People's Republic (LNR) perform at a show marking the 6th anniversary of creation of armed forces, at the airfield in Luhansk, Ukraine October 4, 2020. REUTERS/Alexander Ermochenko