 The F-14 began replacing the F-4 Phantom II in U.S. Navy service starting in September 1974 with squadrons VF-1 "Wolfpack" and VF-2 "Bounty Hunters" aboard and participated in the American withdrawal from Saigon.The F-14 had its first kills in U.S. Navy service on 19 August 1981 over the Gulf of Sidra in what is known as the Gulf of Sidra incident.In that engagement, two F-14s from VF-41 Black Aces were engaged by two Libyan Su-22 "Fitters".