▁through ▁messages ▁over ▁the ▁BBC ▁radio ▁or ▁by ▁aircraft , ▁the ▁French ▁used ▁both ▁pass ive ▁and ▁active ▁forms ▁of ▁sab ot age . ▁Pass ive ▁forms ▁included ▁losing ▁German ▁ship ments ▁and ▁allowing ▁poor ▁quality ▁material ▁to ▁pass ▁factory ▁ins pe ctions . ▁Many ▁active ▁sab ot age ▁attempts ▁were ▁against ▁critical ▁rail ▁lines ▁of ▁transport ation . ▁German ▁records ▁count ▁ 1 , 4 2 9 ▁instances ▁of ▁sab ot age ▁from ▁French ▁Res istance ▁forces ▁between ▁January ▁ 1 9 4 2 ▁and ▁February ▁ 1 9 4 3 . ▁From ▁January ▁through ▁March ▁ 1 9 4 4 , ▁sab ot age ▁account ed ▁for ▁three ▁times ▁the ▁number ▁of ▁locomot ives ▁dam aged ▁by ▁Al lied ▁air ▁power . ▁See ▁also ▁Norm andy ▁Land ings ▁for ▁more ▁information ▁about ▁sab ot age ▁on ▁D - Day . ▁ ▁During ▁World ▁War ▁II , ▁the ▁Al lies ▁committed ▁sab ot age ▁against ▁the ▁Pe uge ot ▁tr uck ▁factory . ▁After ▁repeated ▁fail ures ▁in ▁Al lied ▁bomb ing ▁attempts ▁to ▁hit ▁the ▁factory , ▁a ▁team ▁of ▁French ▁Res istance ▁f igh ters ▁and ▁Special ▁Oper ations ▁Executive ▁( SO E ) ▁agents ▁dist ract ed ▁the ▁German ▁gu ards ▁with ▁a ▁game ▁of ▁s occer ▁while ▁part ▁of ▁their ▁team ▁entered ▁the ▁plant ▁and ▁destroyed ▁mach in ery . ▁ ▁In ▁December ▁ 1 9 4 4 , ▁the ▁Germ ans ▁ran ▁a ▁false ▁flag ▁sab ot age ▁in fil tr ation , ▁Operation ▁Gre if ,