Check the listing for details. Rare Lockheed Boeing Mug General Dynamics Advanced Tactical Fighter 1988. Condition: Used, Made in United States. Listed at 25.00 USD. The ATF program was a U.S. Air Force initiative to develop a next-generation air superiority fighter. The mug features the logos of the team led by Lockheed, which included Boeing and General Dynamics. This team developed the YF-22 prototype. The program's Request for Proposals (RFP) was issued in 1985, and contracts were awarded to two teams (Lockheed/Boeing/General Dynamics and Northrop/McDonnell Douglas) in 1986. The prototypes first flew in 1990. The year 1988 was a key period during the program's development phase. This mug was produced as promotional or commemorative item for employees or industry partners during the program's active years, including 1988. Good vintage condition no chips or cracks. 3.5” tall, 5” wide to handle.