1. Spy Cat Trainer
2. CIA Psychedelic Experiments
3. Defense Advanced Research Projects Agency
4. Dog Sledding Experts
5. Area 51
6. Citizens' Stamp Advisory Committee
7. Official US Government Twitter
8. Cryptanalyst
9. The United States Space Surveillance Network
10. The NSA For Kids
11. Numerous Black Ops Organizations
Various black ops military groups exist, but we only know about them because we've seen their patch insignias. It's natural to suspect that the weirder the patch, the weirder the mission.