Question: when was the squadron inactivated at a Naval Air Station owned by the U.S. Navy and located in Horsham Township, Montgomery County, Pennsylvania, United States?
Context: Horsham is a census-designated place (CDP) in Montgomery County, Pennsylvania, United States.  The population was 14,842 at the 2010 census.  Horsham is located entirely within Horsham Township, and it is home to Naval Air Station Joint Reserve Base Willow Grove. Horsham Township is a home rule municipality in Montgomery County, Pennsylvania, United States, 10 miles north of downtown Philadelphia.  The township, incorporated in 1717, is one of the oldest original municipalities in Montgomery County.  Although it retains the word "Township" in its official name, it has been governed by a Home Rule Charter since 1975 and is therefore not subject to the Pennsylvania Township Code.  The population was 26,147 at the 2010 census. Horsham Air Guard Station is owned by the Pennsylvania Air National Guard and located in Horsham Township, Montgomery County, Pennsylvania, United States.  The Air National Guard plays host to many different Army National Guard Units as well as other government agencies. Prospectville is an unincorporated community in Horsham Township in Montgomery County, Pennsylvania, United States.  Prospectville is located at the intersection of Pennsylvania Route 152 and Pennsylvania Route 463. Pennsylvania Route 463 (PA 463) is a 12.9 mi route completely in Montgomery County, Pennsylvania.  Its western terminus is at PA 63 (Welsh Road) in Hatfield Township and its eastern terminus is at PA 611 in Horsham.  It runs through the northern suburbs of Philadelphia and passes through the towns of Hatfield, Montgomeryville, and Horsham.  The route intersects PA 309, U.S. Route 202 Business (US 202 Bus.) , and US 202 in Montgomeryville and PA 152 in Prospectville.  Through its length, the route carries the names Forty Foot Road, Cowpath Road, and Horsham Road.  PA 463 was designated in 1928 and fully paved by 1940.  In 2010, a portion of the route in Montgomery Township was widened. VS-32, Sea Control Squadron 32, known as the "Maulers" was established as Composite Squadron 32 (VC-32) on 31 May 1949.  It was redesignated Air Anti-Submarine Squadron 32 (VS-32) on 20 April 1950.  The squadron initially flew the Grumman TBM-3E/-3W Avenger and was based at Naval Air Station Norfolk, Virginia.  In 1951 the squadron moved to Naval Air Station Quonset Point, Rhode Island.  VS-32 transitioned to the Grumman S2F-1 "Tracker" in 1954.  The VS community moved in October 1973 to the homeport located at Naval Air Station Cecil Field, Florida.  The squadron participated in Operation Desert Storm in 1991.  Since the closing of NAS Cecil Field, the East coast VS Squadrons have moved to Naval Air Station Jacksonville in 1999.  VS-32 was deactivated effective 30 September 2008 in a deactivation ceremony on 25 September. Naval Air Station Wildwood was a United States Navy airport located in Lower Township, New Jersey, United States, about four miles (6 km) northwest of the central business district of Wildwood, a city in Cape May County, New Jersey, United States.  Former Hangar #1 now contains the Naval Air Station Wildwood Aviation Museum, whose collection focuses on World War II, and is located at Cape May County Airport, which replaced the Naval Air Station. The 103d Fighter Squadron (103 FS) is an inactive unit of the Pennsylvania Air National Guard.  It was last assigned to the 111th Fighter Wing, stationed at Naval Air Station Joint Reserve Base Willow Grove, Willow Grove, Pennsylvania.  The squadron was inactivated on 31 March 2011. The Grand Prairie Armed Forces Reserve Complex (formerly Naval Air Station Dallas or Hensley Field) is a former United States Navy Naval Air Station located on Mountain Creek Lake in southwest Dallas.  The installation was originally established as an Army Aviation center, and eventually became home to aviation assets from all the military services.  The facility was decommissioned as a naval air station in December 1998 pursuant to BRAC action and the extant Naval Air Reserve, Marine Air Reserve and Texas Air National Guard flying units (wings, groups, squadrons) relocating to the nearby former Carswell AFB, which was concurrently transferred to U.S. Navy custody via the Base Realignment and Closure Commission action and renamed Naval Air Station Joint Reserve Base Fort Worth / Carswell Field. Naval Air Station Joint Reserve Base Willow Grove or NASJRB Willow Grove (IATA: NXX, ICAO: KNXX, FAA LID: NXX) was a Naval Air Station owned by the U.S. Navy and located in Horsham Township, Montgomery County, Pennsylvania, United States four miles (6 km) northwest of the central business district of Willow Grove, which is north of Philadelphia, Pennsylvania.  The installation was transferred to the Pennsylvania Air National Guard and the name changed to the Horsham Air Guard Station after the U.S. Navy departed in 2011.
Answer: 31 March 2011