ALLIED AIR SHOW OVER THE ENGLISH CHANNEL: A Royal Air Force F-35 Lightning II, a USAF F-15E Strike Eagle and a French Air Force Rafale trail a USAF KC-135 Stratotanker during an exercise held Nov. 27, 2018. The caption points out the exercise was an opportunity for fourth-generation fighters (F-15E and Rafale) to exercise with a fifth-generation fighter (the F-35).