Special Forces soldiers enter and clear a room during a close quarters combat (CQB) demonstration.
U.S. Army Green Berets maintain a highl level of core small unit tactics, including CQB drills.
CQB demands a great deal of proficency in teamwork, communication, discipline and rapid target aquisition / discrimination / engagement.
The Special Forces, part of U.S. Army Special Operations Command (Airborne), are masters of unconventional warfare.
Often working with Afghan forces trained by themselves, Green Berets from the various Special Forces Groups have carried out numerous direct action raids against insrugent compounds in Afghanistan.