777 Tanker (KC-777)

The KC-777 is a proposed tanker version of the 777. In September 2006, Boeing publicly announced that it would produce the KC-777, if the United States Air Force (USAF) requires a larger tanker than the KC-767. The 777 tanker would also be able to transport more cargo or personnel.^{[174][175][176]} In April 2007, Boeing instead offered its KC-767 Advanced Tanker for USAF's KC-Xcompetition.^[177]

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