Question: ACES II is an ejection seat system manufactured by the United Technologies Aerospace Systems (UTAS) division of the United Technologies Corporation (UTC), it is used in which supersonic variable-sweep wing, heavy bomber used by the United States Air Force (USAF)?
Sentence (from "ACES II"): It is known throughout the industry as the lowest life cycle cost third generation seat due to the USAF owning the rights to the seat, facilitating competitive replacement part procurement.
Relevant evidence: No