Complex sentence: These and similar operations were seen as wasteful by many of 1TAF's fighter pilots and their commanders, and on 20 April No.78 Wing's commander, Group Captain Wilfred Arthur, and seven other officers attempted to resign in protest during the "Morotai Mutiny".
Split into simpler sentences: These and similar operations were seen as wasteful by many of 1TAF's fighter pilots and their leaders. On 20 April, eight officers including Wilf Arthur, now a Group Captain and No.78 Wing's commander, attempted to resign in protest during the "Morotai Mutiny".