▁Le ▁Hav re ▁Part ▁of ▁the ▁first ▁massive ▁R AF ▁day light ▁ra id ▁since ▁the ▁end ▁of ▁May ▁ 1 9 4 3 , ▁two ▁waves ▁attacked ▁E - bo at ▁facilities ▁at ▁Le ▁Hav re : ▁No ▁ 1 ▁Group ▁first , ▁No ▁ 3 ▁Group ▁second . ▁Just ▁before ▁the ▁first ▁wave , ▁ 2 2 ▁Lanc aster s ▁of ▁ 6 1 7 ▁Squadron ▁and ▁ 3 ▁Mos qu ito ▁marker ▁aircraft ▁attacked , ▁several ▁hits ▁were ▁scored ▁on ▁the ▁pens , ▁one ▁bomb ▁pen etr ated ▁the ▁roof . ▁▁ 1 5 ▁June ▁ 1 9 4 4 ▁– ▁Bou log ne ▁har bour ▁ 2 9 7 ▁aircraft : ▁ 1 5 5 ▁Lanc aster s , ▁ 1 3 0 ▁Hal if ax es , ▁ 1 2 ▁Mos qu itos , ▁of ▁N os ▁ 1 , ▁ 4 , ▁ 5 , ▁ 6 ▁and ▁ 8 ▁Gr oups ▁attacked ▁Bou log ne ▁har bour . ▁One ▁Hal if ax ▁was ▁lost . ▁A ▁French ▁report ▁described ▁the ▁great ▁destruction ▁as ▁the ▁worst ▁ra id ▁on ▁Bou log ne . ▁During ▁the ▁ra id ▁ 2 2 ▁Lanc aster s ▁of ▁No . ▁ 6 1 7 ▁squad ron ▁bom bed ▁the ▁E - bo at ▁pens ▁with ▁T all bo ys . ▁Due ▁to ▁cloud ▁cover ▁ten ▁plan es ▁returned ▁to ▁base ▁with ▁their ▁bomb s . ▁However ▁the ▁ra id ▁was ▁considered ▁a ▁success ▁as ▁the ▁E - bo ats ▁retired ▁to