General Dynamic unvield the F-111 on December 21st at Fort Worth Texas. The F-111 had a swept wing and it was the first plane designed for both the Navy and the Airforce over the objections of both serves. The wing of the F-111 could be be swept forward or backward depending on the needs. The Navy put the plane into service in 1967. The F-111 suffered a number of difficulties. The F-111 evolved primarily into a medium bomber and electronic warfware plane.