NASA NASA NPD 1600.4
NASA NASA NPD 16004 2011-JUL-25 Natonal Securty Programs
APPLICABILITY
a. This NPD is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers.
b. This NPD applies to the Jet Propulsion Laboratory, contractors, grant recipients, consultants, or parties to agreements to the extent specified or referenced in the appropriate contracts, grants, or agreements.
c. U.S. Government agencies whose personnel require access to national security programs relating to NASA are subject to this NPD.