Space Shuttle Solid Rocket Booster (SRB) recovery beacon, measuring 4.25″ x 4″ x 3.5″, housed in a white case, with a Micro Electronics, Inc. label, reading: "Light, Flashing, Model 209-B-3, Serial 1000012, Part Number 10400-0162-802…Contract Number: NAS8-32000…Date of Manufacture: March 1983." In overall fine condition.