Department of Defense, DoD Instruction 5210.52: Security Classification of Airborne Sensor Imagery and Imaging Systems (May 18, 1989) (full-text).


This Instruction prescribes the following:

a. Uniform standards and criteria for classifying information about certain Department of Defense-associated airborne sensor imagery and imaging systems.
b. Capacity levels of imaging systems at or below which operating data can be disclosed without jeopardizing national defense.
c. The issuance of specific classification guides for individual imaging systems.
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