Homing Overlay Experiment Test Vehicle


Display Status:

This object is on display in the Rockets and Missiles exhibition at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Collection Item Summary:

Lockheed built this unflown antiballistic missile (ABM) test vehicle for the U.S. Army's Homing Overlay Experiment (HOE). The HOE vehicle was designed to destroy a missile by physically impacting it - a concept known as "hit-to-kill." After separating from the booster, the vehicle would use its onboard sensors to identify and lock-on to the incoming missile and would use other components to direct it to impact. On the last of four HOE tests, a vehicle intercepted an incoming dummy warhead in the first successful demonstration of hit-to-kill technology in June 1984. The United States is now using much smaller hit-to-kill vehicles in deployed ABMs. Lockheed built this HOE test vehicle, and the U.S. Army transferred it to NASM in 1986.

Collection Item Long Description:

Data Source

National Air and Space Museum


Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Credit Line

Transferred from the United States Army.


Overall, metal


Overall: 168 in. diameter (at the vanes) x 204 in. long x 36 in. diameter (booster) , 2400 lb. HOE and dolly (426.72 cm. x 518.16 cm. x 91.44 cm., 1088.6kg), HOE weight 1064 lbs

Country of Origin

United States of America


CRAFT-Missiles & Rocket Parts

Inventory Number


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