HALO4 completes its final landing at KRVS. This airframe was retired by the Missile Defense Agency and was donated to Tulsa Technology Center to be used as an airframe trainer.

Former USAAF 44-35870. Registered as N1471V in 1954 then N320 in 1955. Rebuilt as an On Mark Marksman in 1960. Seized by the US Customs at Homestead FL for gun running in 1974. Reregistered as N99426 in 1977. Used for clandestine anti-drug ops in the Caribbean. Sold in 1980. Painted as 595924/69 for the film The Hustler. Damaged at Tamiami, FL by Hurricane Andrew in 1992 and stored there. Shipped to Caboolture, QLD Australia in 1998 then shipped to Van Nuys, CA in 2000. In too bad conditiion to restore and stored at Thermal CA. Also reported as stored at California City, CA.

Delivered to the US Navy as S2F-1 136404. Converted to a S2F-1U. Redesignated as a US-2B in 1962. Stored at Davis-Mothan AFB, AZ in 1978. Left in 1984 and registered as N5234A. Destroyed when it hit power lines and crashed near Cherry Point, NC in 2007

Delivered to the United States Coast Guard as JRF-3 V191. To N5583N in 1954 then later N12CS. To the National Naval Aviation Museum, Pensacola, FL in 1985 and painted in its original markings of V191.