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? 

Context paragraphs:
69th Troop Carrier Squadron: The 69th Troop Carrier Squadron is an inactive United States Air Force unit.  It was last active with the 916th Troop Carrier Group, based at Carswell Air Force Base, Texas.  It was inactivated on 25 November 1965.

86th Troop Carrier Squadron: The 86th Troop Carrier Squadron is an inactive United States Air Force unit.  Its last assignment was with the 437th Troop Carrier Group, based at Brady Air Base, Japan.  It was inactivated on 10 June 1952.

Grenier Air Force Base: Grenier Air Force Base is a former United States Air Force base located three miles (5 km) south of the central business district of Manchester, New Hampshire, on the county line of Hillsborough and Rockingham counties.  Civilian use of the airport continued after the military left in 1966, it was renamed Manchester Airport in 1978, and in 2006 the name was changed to Manchester–Boston Regional Airport.

82d Troop Carrier Squadron: The 82d Troop Carrier Squadron is an inactive United States Air Force unit.  Its last assignment was with the 436th Troop Carrier Group, based at Standiford Municipal Airport, Kentucky.  It was inactivated on 16 April 1951.

80th Troop Carrier Squadron: The 80th Troop Carrier Squadron is an inactive United States Air Force unit.  Formed in April 1943, its last assignment was with the 436th Troop Carrier Group, based at Standiford Municipal Airport, Kentucky.  It was inactivated on 16 April 1951.

90th Troop Carrier Squadron: The 90th Troop Carrier Squadron (Medium) is an inactive United States Air Force unit.  Its last assignment was with the 438th Troop Carrier Group, based at Offut Air Force Base, Nebraska.  It was inactivated on 16 Nov 1957

81st Troop Carrier Squadron: The 81st Troop Carrier Squadron is an inactive United States Air Force unit.  Its last assignment was with the 436th Troop Carrier Group, based at Grenier Air Force Base, New Hampshire.  It was inactivated on 16 Nov 1957.

98th Troop Carrier Squadron: The 98th Troop Carrier Squadron is an inactive United States Air Force unit.  Its last assignment was with the 440th Troop Carrier Group, based at Wold-Chamberlain Field, Minnesota.  It was inactivated on 4 May 1951.

100th Troop Carrier Squadron: The 100th Troop Carrier Squadron is an inactive United States Air Force unit.  Its last assignment was with the 441st Troop Carrier Group, based at Chicago-Orchard Airport, Illinois.  It was inactivated on 14 March 1951.

316th Troop Carrier Squadron: The 316th Troop Carrier Squadron is an inactive unit of the United States Air Force.  Its last assignment was with the 436th Troop Carrier Group, stationed at Godman Field, Kentucky.  It was inactivated on 27 June 1949.

Supporting paragraphs: 81st Troop Carrier Squadron Grenier Air Force Base
Answer: New Hampshire