Sensor, Infrared, Series I, Missile Defense Alarm System
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This is an unflown Series I infrared sensor, built by Aerojet ElectroSystems for use in U.S. Air Force Missile Defense Alarm System (MIDAS) satellites. These spacecraft were designed to detect and track the hot exhaust gases of Soviet missiles at launch and thereby provide up to thirty minutes warning of an attack. Series I sensors were built for the first two low-altitude MIDAS test demonstration flights in 1960, but both spacecraft failed to reach proper orbit. MIDAS was cancelled in the late 1960s, and the more advanced Defense Support Program early warning satellites were launched beginning in 1970. This artifact was donated to NASM by Aerojet ElectroSystems in 1992.
Display Status
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin
United States of America
Type
SPACECRAFT-Uncrewed-Instruments & Payloads
Manufacturer
Aerojet Electrosystems Inc. Dimensions
Overall: 3 ft. 9 in. tall x 3 ft. 2 in. wide x 3 ft. 8 in. deep (114.3 x 96.5 x 111.8cm) Materials
Metal (aluminium, copper, and magnesium) and glass Inventory Number
A19920065000
Credit Line
Gift of Aerojet Electrosystems Inc.
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.