Chief Master Sergeant (last name) A chief master sergeant in the U.S. Air Force is the highest senior non-commissioned officer rank and directly above senior master sergeant. It is equivalent to the rank of sergeant major in the Army, master gunnery sergeant/sergeant major in the Marines, and master chief petty officer in the Navy/Coast Guard.
Pivotal Response Treatment (PRT) is a naturalistic intervention based on the principles and practices of applied behavior analysis (ABA) and developmental approaches.
Flexible Response. Flexible Response was no highly explicit theory nor written in a single authoritative source. Flexible Response was realistic in that nuclear weapons couldn't be used. It tried to provide credible means to match non-nuclear escalation. The word flexible stressed the value of having multiple options available should a crises arise.