C-9B Skytrain II

C-9B Skytrain II 164607 C-9B Skytrain II. The U.S. Air Force adopted the DC-9 as the C-9A Nightingale in 1967 for use as a medical evacuation aircraft. The Air Force also adopted the VC-9C as a VIP transport. The U.S. Navy adopted the C-9B for general cargo and personnel transport duties.