. "The Glider, Service, and Liaison Pilot Badges were qualification badges of the United States Army Air Forces which were issued during the years of World War II. The badges appeared as the standard USAAF Pilot Badge with one of three letters centered on the badges\u2019 shield, or escutcheon. The letter on the badge indicated the qualification type."@en . . . "Auxiliary Pilot Badge"@en . "The Glider, Service, and Liaison Pilot Badges were qualification badges of the United States Army Air Forces which were issued during the years of World War II. The badges appeared as the standard USAAF Pilot Badge with one of three letters centered on the badges\u2019 shield, or escutcheon. The letter on the badge indicated the qualification type."@en . .