An Airbus helicopter NH90 TTH (Tactical Transport Helicopter) of German army Bundeswehr takes part in an exercise during a media day in Bergen, Germany on September 26, 2018. (Photo by Fabian Bimmer/Reuters)





A US Air Force F15e “strike eagle” fighter jet, based at RAF Lakenheath, Suffolk, flies the Welsh flag in the cockpit, as the plane flies at speeds of up to 600mph, through the valleys in the Snowdonia national park, North Wales, England on July 30, 2019. (Photo by Wayne Lewis/South West News Service)





Soldiers abseil from a military helicopter over the training ground during strategic command and staff exercises Center-2019 at Donguz shooting range near Orenburg, Russia, Friday, September 20, 2019. The main theme of the drills is the use of a coalition army group in the fight against international terrorism and providing military security in Central Asia. Servicemen from Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, India, China and Pakistan are taking part in the drills, TASS News Agency reported. (Photo by Sergei Grits/AP Photo)





The U.S. Navy Flight Demonstration Squadron, the Blue Angels, diamond pilots perform the diamond 360 during the 2019 Chicago Air and Water Show on August 16, 2019. The Blue Angels are scheduled to conduct 61 flight demonstrations at 32 locations across the country to showcase the pride and professionalism of the U.S. Navy and Marine Corps to the American public in 2019. (Photo by Mass Communication Specialist 1st Class Ian Cotter/U.S. Navy)





U.S. sailors move a CH-53E Super Stallion aircraft on the flight deck of USS Boxer (LHD-4) in the Arabian Sea off Oman on July 16, 2019. (Photo by Ahmed Jadallah/Reuters)





Su-30SM jets of the Russian Knights aerobatic team perform at an air show to mark the 80th anniversary of the victory in the Battle of Khalkhin Gol, in Ulaanbaatar, Mongolia on August 28, 2019. (Photo by B. Rentsendorj/Reuters)





Mil Mi-24P attack helicopters take part in the Tsentr-2019 (Centre 2019) military exercise, at the Lyaur training ground near Dushanbe, Tajikistan on September 18, 2019. (Photo by Gavriil Grigorov/TASS)





A handout photo made available by the British Royal Air Force (RAF) on 30 August 2019 shows a United States Air Force B2 Spirit, currently deployed to RAF Fairford in Gloucestershire, flying above Dover, United Kingdom, 29 August 2019. For the first time, Royal Air Force F-35 Lightning jets have been conducting integration flying training with the B-2 Spirit stealth bombers of the United States Air Force as part of their deployment to RAF Fairford in Gloucestershire, UK. Whilst deployed to the UK the aircraft will conduct a series of training activities in Europe. RAF Fairford routinely hosts deployments and exercises by US strategic aircraft. These regular deployments reinforce the US Air Force Europe and the Royal Air Force’s unique and complementary partnership and the collective contribution to NATO. (Photo by /EPA/EFE/USAF Major (Exchange Pilot))





Entries in the RAF photographic competition 2019 include this shot of the Red Arrows above Scampton, Lincolnshire, England. (Photo by Cpl Ashley Keates/Royal Air Force)





The C-130J transporter battled heavy showers and a strong cross wind to make the unusual touchdown at Cefn Sidan Sands, near Pembrey, England on August 6, 2019. Former RAF engineer Ally McMurdo took photos of the aircraft, which was flown by 24 Squadron, based at RAF Brize Norton in Oxfordshire. (Photo by Ally McMurdo/Bav Media)





A handout photo made available by the British Royal Air Force (RAF) on 30 August 2019 shows a United States Air Force B2 Spirit, currently deployed to RAF Fairford in Gloucestershire, flying above Dover, United Kingdom, 29 August 2019. (Photo by /EPA/EFE/USAF Major (Exchange Pilot))





The Air Force Thunderbirds sit on the tarmac as explosions go off during the 2019 Sioux Falls Airshow in Sioux Falls, South Dakota on August 18, 2019. (Photo by Duane Duimstra/Courtesy U.S. Air National Guard via Reuters)





World War II Supermarine Spitfire fighter performs a flyover over White Cliffs of Dover during Remembrance Sunday celebrations in Dover, Britain, November 10, 2019. (Photo by Henry Nicholls/Reuters)





This undated illustration released by NASA on December 16, 2019 shows the completed X-59 QueSST landing on a runway at Edwards Air Force Base, California. NASA’s first large scale, piloted X-plane in more than three decades is cleared for final assembly and integration of its systems following a major project review by senior managers held Thursday at NASA Headquarters in Washington NASA’s first large scale, piloted X-plane in more than three decades is cleared for final assembly and integration of its systems following a major project review by senior managers held December 12, 2019 at NASA Headquarters in Washington,DC. (Photo by Jet Fabara/NASA/AFP Photo)





A Typhoon jet flown by Flt Lt Jim Peterson practising over RAF Coningsby in the East Lindsey district of Lincolnshire, England on September 27, 2019 producing a rainbow effect over the plane. The rainbow is made of crystalized or frozen water vapor that reflect and refract sunlight, causing the rainbow effect. (Photo by Claire Hartley/Bav Media)