Complex sentence: Galland also befriended many former enemies, such as RAF aces Robert Stanford Tuck and Douglas Bader, and became a consultant on the set of the movie "Battle of Britain" in 1969.
Split into simpler sentences: Galland also befriended many former enemies, such as RAF aces Robert Stanford Tuck and Douglas Bader. He also became a consultant to the set of the movie "Battle of Britain" in 1969.