Triple

Target class: auxiliary air force unit
Context triple: [No. 604 Squadron RAF, instanceOf, auxiliary air force unit]

• A. auxiliary air force chosen
  An auxiliary air force is a supplementary aviation component that supports a nation's primary air force through roles such as training, logistics, civil defense, and non-combat operations, often staffed by reservists or volunteers.
• B. aviation support unit
  An aviation support unit is an organizational entity that provides maintenance, logistics, ground handling, and operational assistance to ensure the effective and safe functioning of aircraft and flight operations.
• C. air support unit
  An air support unit is a military or emergency response organization equipped with aircraft and personnel to provide reconnaissance, transport, and offensive or defensive support to ground or maritime operations.
• D. paramilitary air unit
  A paramilitary air unit is a non-military aviation organization structured and equipped in a military-like manner to conduct security, surveillance, support, or combat-adjacent operations under civilian or semi-civilian authority.
• E. airborne forces unit
  An airborne forces unit is a military formation trained, equipped, and organized to deploy rapidly by air and conduct combat or support operations after insertion, typically by parachute, air assault, or air landing.
• F. None of above.