A skin for the Bicentennial Tracker version of Milton Shupe's Gruman S2F-1 Tracker, updated by A.F. Scrub and Thomas Lebel, in the livery of a US-2B of the Naval Aviation Reserve at NAS Glenview, Illinois in the late 1960s or early 1970s, and an S2F-1 in late 1950s Glenview markings for the original S2F-1 release.