411 REFERENCE · Wiktionary
NSSL
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
en US politics military espionage space flight en National Security Space Launch program a U.S. government program for assured access to space.
en EELV
Noun
en US politics military espionage space flight en national security spacelaunch a high security spacelaunch of U.S. government payloads, such as spy satellites.