AFP-675

AFP-675 (Air Force Program-675) was a Space Shuttle experiment package that was carried into orbit on Discovery as part of STS-39.

AFP-675 consisted of six experiment packages mounted on a pallet in the Discovery's cargo bay. The total weight of the package was 5,080 kilograms (11,200 lb). The objectives of the project were:

1. To obtain data in several wavelength regions to support the development of Department of Defense (DOD) systems
2. To validate technologies for DOD applications
3. To validate the use of man as an autonomous experimenter in space
4. To demonstrate the cost effectiveness of performing DOD experiments on reusable systems.

The experiments

Cryogenic Infrared Radiance Instrumentation for Shuttle

The Cryogenic Infrared Radiance Instrumentation for Shuttle (CIRRIS 1A) experiment was designed to measure the spectral, spatial, and temporal properties of the Earth's limb (edge). The primary instruments in this experiment were a Michelson spatial interferometer and a spatial radiometer. Infrared radiation was collected through a cryogenically cooled telescope that was controlled from the flight deck. The principal investigator (PI) for the instrument was Dr. Robert R. O'Neil of the Phillips Laboratory.

Far Ultraviolet Cameras

The Far Ultraviolet Cameras experiment was to capture imagery and photometry of naturally occurring and man-made emission phenomena such as airglow and diffuse aurora. ...
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