i had a great mentor in a brigadier general, retired, anthony d de-colleto, he was a great guy, encouraged me to think about getting my military education done and maybe aiming for the war college. i didn't even know what the war college was, he had to explain it to me. brigadier genre tired bob crowcroft, he's the officer whose promotion ceremony i attended where i met amos in the receiving line, a lot of n.c.o.'s. >> for somebody who has not followed the military. >> noncommissioned officer. >> what's the difference between commissioned officers and noncommissioned officers. >> commissioned officers you start as lieutenant and work your way up. noncommissioned officers, you start and work for a set period of time. enlisted soldiers sign a contract to serve for different periods of time for six, eight -- four, six, eight year, indefinite. there's a lot more enlisted soldiers than officers and we like to call our enlisted soldiers in the army there the back bone of the army. they're the ones who get things done. >> what do you call each other? >> they'll call whatever your rank is. and you