Space Shuttle controller module associated with canister/experiment release in NASA's 'Getaway Special' program, measuring 6.75″ x 3″ x 1.5″, marked on one side: "Model GCD-3A-4, S/N 079, Rockwell Int'l, NAS 9-14000, Space Project LTD, Midland, VA, MFG 8/86." The Get Away Special (GAS) small payloads project was a program that offered interested parties the opportunity to fly small experiments aboard the Space Shuttle.