The EC-121 was also operated by Training Squadron 86 (VT-86) at NAS Glynco, Georgia for training Student Naval Flight Officers destined for the E-2 Hawkeye and by Tactical Electronic Warfare Squadron 33 (VAQ-33) for the Fleet Electronic Warfare Systems Group (FEWSG) at NAS Norfolk, Virginia and later, following a squadron homeport change, at NAS Key West, Florida. At the time of its retirement on June 25, 1982, VAQ-33's NC-121K aircraft, Buno 141292 was the last NC-121K and the last of its type operated by the USN.