First Air Force jet raids are flown against an enemy concentration in South Vietnam. American pilots fly Martin B-57 Canberra bombers and North American F-100 fighters against the Viet Cong in South Vietnam, near An Khe.
The KC-Z4, a blended wing body tanker concept being developed by startup JetZero, could fuel larger groups of aircraft at longer range to hold more targets at risk, company officials say.