These are some military patches.
To Serve Man
The Ghost Squadron - Classis Caece - Noli Rogare - De Multa Nocte
A lifetime of Silence - Behind the Green Door
The origins of this patch remain unknown. The red star is in Southwest, which is many secret units' home, while military intelligence typically uses green vaults.
Panther Den - Information Warfare
National Reconnaissance Office - We Own the Night
Nitwits Rubes Oafs - Top Secret - Setec Astronomy
The first letter of each word in the phrase "Nitwits Rubes and Oafs" spells out the agency responsible for this patch: the NRO, the National Reconnaissance Office
The 413th Test Squadron, nicknamed the "Bombcats" and also known as Sundowner and Zipper, organized flight tests of Electronic Warfare systems around the world