Actually, there are 12 according to TodaysMilitary. There are the 5 active-duty services (Army, Navy, Air Force, Marines, and Coast Guard) and their respective Reserve and Guard units (Army Reserves, Army National Guard, Marine Reserves, Air Force Reserve, Air National Guard, Navy Reserves, and Coast Guard Reserve).
Simpsonfan2 – “Delicious pasties” or did you mean “Delicious pastries”?