AIR ASSAULT SCHOOL

U.S. Army Air Assault School is a 10-day course designed to prepare Soldiers for insertion, evacuation, and pathfinder missions that call for the use of multipurpose transportation and assault helicopters. Air Assault training focuses on the mastery of rappelling techniques and sling load procedures, skills that involve intense concentration and a commitment to safety and preparation.

 http://www.goarmy.com/soldier-life/being-a-soldier/ongoing-training/specialized-schools/air-assault.html