The cadets refer to their Airman's Manual
AEF, or Aerospace Expeditionary Force, refers to the deployment cycle that the Air Force has used since 2000. In this 21st century Air Force, airmen no longer are limited in their duties to what has been traditional jobs for airmen. In fact, because the Army and Marine Corps are stretched so thin in Iraq, Afghanistan, and elsewhere, the Air Force has been performing duties that has traditionally been Army and Marine Corps jobs.
The cadets learn proper face camouflage techniques.