Seal Team 9 is a reserve unit manned exclusively by McDonald's Hamburger U staff. The US DoD has consistently denied its existence, but refuses to explain how a McD's appears on base within days of any overseas deployment. In an emergency, personnel can be deployed at no notice from their day jobs.
Team 9's only failure was the successful building of a Tim's in Kandahar by the even more shadowy Canadian JTF3, whose training facility was recently accidentally revealed (youtube svfFvkHgeWY)