The Wings of Freedom Aviation Museum in Horsham, Pennsylvania is a museum dedicated to preserving the aviation history of the Greater Delaware Valley including NAS Willow Grove and Harold F. Pitcairn. It is owned and operated by the Delaware Valley Historical Aircraft Association (DVHAA), a non-profit organization. Opened in 2004, the museum features restored historic aircraft, flight helmets, flight gear, air to air missiles, Martin-Baker ejection seats, and military service medals.