In the immediate post war period Hill made a number of significant contributions to the development of ram jet technology, including establishing and supervising the Wallops Island ram jet test flight programme and authoring the first NACA technical paper on ram jet technology.
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Also along the Delmarva Peninsula, at Wallops Island, a million dollars in damage was done to NASA's Wallops Flight Facility.
As part of the U.S. Space Program in 1961, HMR(M)-461 participated as the primary recovery vehicle for NASA AeroBee Rocket launches at Wallops Island, Virginia In February 1962, HMR(M)-461 was redesignated Marine Heavy Helicopter Squadron-461 (HMH-461).