From Infogalactic: the planetary knowledge core
This category has the following 2 subcategories, out of 2 total.
Pages in category "Signals intelligence"
The following 58 pages are in this category, out of 58 total.
- USS Sherburne (APA-205)
- Signals intelligence
- SIGINT Activity Designator
- Signals intelligence in modern history
- US signals intelligence in the Cold War
- Special Collection Service
- Special Communications Service of Russia
- Spy ship
- Stateroom (surveillance program)
- Surveillance aircraft
- USS Swordfish (SSN-579)