I am 90G military officer with the 1s infantry
62nd battalion army in field 16 till man Kabul
camp afghan....11B is "Rifle Infantryman".
Am working with the USA army fully deployed
to Afghanistan in Kabul
Among the letters, "Z" is reserved for "Senior
Sergeant" (E-8), such that 11Z is "Senior Infantry
Sergeant". The fourth character of the MOSC.