So how many are real combat soldiers, infantry, artillery, and armor, and how many are paper pushers and Rear Echelon Mother F----rs (REMF) 480,000 real combat troops is on the thin side, but possible. We only sent 140,000 troops to take out Saddam Hussein a few years ago. But 480,000 who are mostly REMF's is scary.
In the real world, the troops are dispatched on one year overseas, unaccompanied, combat tours, and then they expect at least one year back home with their families. When there ain't enough troops, the same guys get sent back on second and third and fourth combat tours with only a few weeks at home in between each combat tour. This is pretty damn hard on the troops.