 The wing provided support in March 1973 for Operation Homecoming, the repatriation of American prisoners from Hanoi, North Vietnam.The increase in the B-52 Arc Light sortie rates over Vietnam necessitated relocation of additional KC-135's which provided PACAF fighter support.In February 1968 the United States Air Force Strategic Air Command 4220th Air Refueling Squadron deployed to CCK, bringing KC-135 tankers formerly based at Takhli RTAFB, Thailand and Kadena AB Okinawa.