Keywords: UB-26J Invader VU-7 in flight 1950s.jpeg A U S Navy Douglas JD-1 Invader of Utility Squadron VU-7 in flight VU-7 was based at Naval Air Station North Island California USA <br>Navy The U S Navy acquired 150 surplus USAAF A-26s for use by land-based utility squadrons as target tugs The JD-1s were operated well into the 1960s by seven utility squadrons VU-1 VU-2 VU-3 VU-4 VU-5 VU-7 and VU-10 as target tugs drone directors and general utility aircraft Those that were modified as drone directors were redesignated JD-1D The U S Navy designation was JD-1 and JD-1D until 1962 when the JD-1 was redesignated UB-26J and the JD-1D was redesignated DB-26J http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/AdvQuery php U S Navy National Museum of Naval Aviation photo No http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/Display php irn 39465 QueryPage 2Femuwebdoncoms 2Fpages 2Fdoncoms 2FAdvQuery php 2011 003 099 004 s 1950 U S Navy PD-USGov-Military-Navy Douglas A-26 Invader Fleet Composite Squadron 7 United States Navy |