Question: The 81st Troop Carrier Squadron is an inactive United States Air Force unit whose last assignment was with the 436th Troop Carrier Group, based at Grenier Air Force Base, a former United States Air Force base located three miles (5 km) south of the central business district of what state? 
Sentence (from "81st Troop Carrier Squadron"): The 81st Troop Carrier Squadron is an inactive United States Air Force unit.
Relevant evidence: Yes