Boeing KC-135 Stratotanker

- On 30 July 1968, USAF KC-135A, 56-3655, crashed on Mount Lassen after the vertical stabilizer broke off after a sharp turn while practicing an emergency descent, killing all nine on board.
- On 1 October 1968, USAF KC-135A, 55-3138, struck concrete and steel light poles on takeoff and crashed at U-Tapao Airport, Thailand after a loss of power in an engine and resultant loss of control, killing all four on board.
- On 22 October 1968, USAF KC-135A, 61-0301, flew into a mountain while descending to Ching Chuan Air Base, Taiwan, killing all six on board.
- On 19 December 1969, USAF KC-135A, 56-3629, crashed into the sea on climbout from Ching Chuan Kang Air Base due to low-level windshear, killing all four on board.