This Tracker's paint has faded so much that she is showing a ghostly '7Y' tail code of RAW-73, NAS Grosse Ile, MI. The base closed in 1969 and it's units and aircraft moved to NAF Detroit. She became N433DF with the CDF.
Another S-2E allocated to USDA, as N504DF, this was Bu.No 149265 pcn 1S 244 marked as 'NW-107' last operated by United States Navy Reserve Squadron VS-81. She arrived MASDC August 1970.
S-2E Bu.No 149873 pcn 1S 441 as 'NW-205' last operated by VS-82 "Fighting Yellow Tails", a Naval Air Reserve squadron which was established in 1970 and disestablished in 1976. She entered MASDC in January 1974 and then allocated to USDA as N512DF.