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N PD 8900 3 Need help?
Status: CANCELLED
Subject: ASTRONAUT MEDICAL & DENTAL OBSERVATION, STUDY, & CARE PROGRAM
Responsible Office Code:
Effective Date: June 24, 1969
Expiration Date:
Cancellation Date: June 1, 1978 
Document Cancelling this Directive (if Cancelled): N MI 8900 3A
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Documents Cancelled by this Directive: