Complex sentence: From 1942 through 1943 Becker salvaged all usable tank wreckage he found in France, creating some 1,800 armoured fighting vehicles at his Baukommando Becker (Construction Unit Becker).
Split into simpler sentences: From 1942 through 1943 Becker salvaged all the usable tank wreckage that could be found in France. Some 1,800 armoured fighting vehicles were created at his Baukommando Becker (Construction Unit Becker).