|
N PR 8020 12B
|
Need help?
|
|
Status:
|
CANCELLED
|
|
Subject:
|
Planetary Protection Provisions for Robotic Extraterrestrial Missions
|
|
Responsible Office Code:
|
DA
|
|
Effective Date:
|
April 16, 1999
|
|
Expiration Date:
|
April 16, 2005
|
|
Cancellation Date:
|
April 27, 2005
|
|
Document Cancelling this Directive (if Cancelled):
|
N PR 8020 12C
Show History
|
|
Documents Cancelled by this Directive:
|
|
|
