What does SIS stand for?

The list of SIS abbreviation meanings.

Stands For|676Abbreviated As|0Related|0

676 entries under topic. ×

4
Secret Intelligence Service(Armed Forces, Royal military, Air Force)
2
Special Information System(Army, Military)
1
Selective Identification System(Army, Military)
1
Selective Imagery System(Army, Military)
1
Selective Inquiry System(Army, Military)
1
Significant Indications Summary(Army, Military)
1
Space Intelligence System(Army, Military)
1
Special Intelligence Support(Army, Military)
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APASmart Define. (2018). sis. Retrieved September 24, 2026, from http://smartdefine.org/sis/abbreviations/f/army
ChicagoSmart Define. 2018. "sis" http://smartdefine.org/sis/abbreviations/f/army (accessed September 24, 2026).
HarvardSmart Define 2018, sis, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/sis/abbreviations/f/army>.
MLASmart Define. "sis" 15 February 2018. Web. 24 September 2026. <http://smartdefine.org/sis/abbreviations/f/army>