TY  - BOOK
ED  - USA.
TI  - National security space strategy: unclassified summary
PY  - 2011///
CY  - Washington, DC
KW  - USA
KW  - official publication
KW  - space policy
KW  - national security
N1  - "January 2011"
UR  - http://www.defense.gov/home/features/2011/0111_nsss/docs/NationalSecuritySpaceStrategyUnclassifiedSummary_Jan2011.pdf
ER  -