Question: The 419th Operations Group is stationed at a base named for a man that died test-flying what type of aircraft?

Context paragraphs:
419th Fighter Wing: The 419th Fighter Wing (419 FW) is an Air Reserve Component (ARC) of the United States Air Force.  It is assigned to the Tenth Air Force, Air Force Reserve Command, stationed at Hill Air Force Base, Utah.

496th Air Base Squadron: The 496th Air Base Squadron is a United States Air Force unit, stationed at Morón Air Base, Spain.  The 496th ABS provides host unit support for the base under the 86th Operations Group, Ramstein Air Base, Germany.

Hill Air Force Base: Hill Air Force Base (IATA: HIF, ICAO: KHIF, FAA LID: HIF) is a major U.S. Air Force base located in northern Utah, just south of the city of Ogden, and near the towns of Clearfield, Riverdale, Roy, Sunset, and Layton.  It is about 30 mi north of Salt Lake City.  The base was named in honor of Major Ployer Peter Hill of the U.S. Army Air Corps, who died test-flying a prototype of the B-17 Flying Fortress bomber.  In this decade Hill AFB is still the sixth-largest employer in the state of Utah, and the third-largest one excluding the State Government and Higher Education employers.

419th Operations Group: The 419th Operations Group (419 OG) is an operational component of the 419th Fighter Wing, stationed at Hill Air Force Base, Utah.

325th Operations Group: The 325th Operations Group is the flying component of the 325th Fighter Wing, assigned to Air Combat Command of the United States Air Force .  The group is stationed at Tyndall Air Force Base, Florida.  It conducts training on the Lockheed Martin F-22 Raptor and commands one operational Raptor squadron.  It directs the flying and support operations of two F-22 squadrons, a fighter training squadron, an operations support squadron and a training support squadron.

7th Operations Group: The 7th Operations Group is the operational flying component of the United States Air Force 7th Bomb Wing, stationed at Dyess Air Force Base, Texas.  The 7th Operations Group currently flies the B-1 Lancer.

19th Operations Group: The 19th Operations Group (19 OG) is the operational flying component of the United States Air Force 19th Airlift Wing, stationed at Little Rock Air Force Base, Arkansas.  As of 31 July 2013, the 19th Operations Group Commander was Colonel Johnnie Martinez.

95th Reconnaissance Squadron: The 95th Reconnaissance Squadron is a squadron of the United States Air Force.  It is assigned to the 55th Operations Group, Air Combat Command, stationed at Offutt Air Force Base, Nebraska.  The squadron is equipped with several variants of the Boeing C-135 aircraft equipped for reconnaissance missions.

730th Air Mobility Training Squadron: The 730th Air Mobility Training Squadron is an Air Force reserve unit stationed at Altus Air Force Base, Oklahoma, where it trans airmen on Boeing C-17 Globemaster III, Boeing KC-135 Stratotanker and Boeing KC-46 Pegasus aircraft systems.  It is assigned to the 507th Operations Group at Tinker Air Force Base, Oklahoma, but performs its training mission under the direction of the 97th Air Mobility Wing of Air Education and Training Command.

419th Flight Test Squadron: The 419th Flight Test Squadron is a United States Air Force squadron.  It is assigned to the 412th Operations Group, Air Force Materiel Command, stationed at Edwards Air Force Base, California.

Supporting paragraphs: 419th Operations Group Hill Air Force Base
Answer: B-17 Flying Fortress bomber