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Harry W Gregg


Took part in Operation Tidal Wave, the raid on Ploesti on 1 August 1943, flying B-24 Liberator 42-40807.


Units served with

  • 389th Bomb Group

    389th Bomb Group

    The 389th Bomb Group, known in more familiar terms as "the Sky Scorpions", flew strategic bombing missions in B-24 Liberators from Hethel, England. They also sent detachments to join bases in North Africa at Benghazi No. 10, Libya, between 3 July 1943...

  • 567th Bomb Squadron

    567th Bomb Squadron

    567th Bombardment Squadron, 24 December 1942 - 13 September 1945 ...


  • 42-40807

    B-24 Liberator
    This was Capt. Chester Spurrier's "regular" aircraft. Flew on 1st Aug 43 Ploesti oil refinery raid piloted by Chester E Spurrier, returning safely to Libya. Briefly a 93rd BG aircraft in June 1943. It was lost in combat on February 24, 1944 while being...


  • Operation Tidal Wave

    1 August 1943
    Operation TIDAL WAVE. B-24D Liberators attack the oil refineries at Ploesti, Romania. The bombers flew low to avoid radar detection and dropped time delayed bombs. Out of the 177 B-24s that took part in the raid 167 managed to attack their targets. 57...


Event Location Date
Born Wilmington, Delaware


Date Contributor Update
04 December 2019 15:15:43 general ira snapsorter Changes to biography and mission associations

Ploesti Sortie Reports, 389th Bomb Group

Date Contributor Update
13 June 2017 15:35:11 Stephen Hicks Changes to media associations

My son-in-law grandfather, Harry W Gregg, bombadier on B-24 42-40807. He flew on the Ploesti raid.

Date Contributor Update
27 September 2014 18:12:29 AAM AAM ingest

Drawn from the records of the National Museum of the Mighty Eighth Air Force, Savannah, Georgia / Dugan & Stewart 'Ploesti'