Royal Air Force pilots begin pre-flight checks in the A400M "Atlas" prior to take off in Naples, Italy, Dec. 11, 2015. The aircraft conducted its first mission with Allied Joint Force Command Naples and was used to transport 24 passengers attending "Naples Vision 4” to Bucharest, Romania, Dec. 9, and returned them to Naples, Italy, Dec. 11. (NATO photo by Capt. Ryan Hengel)