This typewritten aircrew reference page, dated 15 July 1971, details procedures for aerial refueling rendezvous and the KC-135 Stratotanker's pilot director light system - a set of illuminated signals used to guide fighter pilots into proper position behind the tanker's refueling boom. Documents like this were standard issue for fighter crews, including F-4 Phantom squadrons operating from Da Nang Air Base during the Vietnam War, underscoring the critical role of in-flight refueling in extending combat aircraft range and loiter time over Southeast Asia. Project: 218454