Yes, All Quiet was a similar formative experience for me. Next and equally important came Catch 22. Think it's about time to re-read that

This has got me pondering... curious that the experience of war has left us with a legacy of much great poetry, but little extended writing of other kinds...


But now that's made me think, of course, of Sebastian Faulkes and his wonderful novels including Girl at the Lion D'or - novels set in wartime rather than war novels are a richer field, perhaps.