During the Second World War the Germans experimented with an interesting rotary wing design known as a ‘rotor kite’. These concepts would result in a fully functional spotting aircraft to be used by Kriegsmarine U-Boats
The Air War Over Malaya: The RAAF & Allies’ “Worst Disaster”
The fall of Malaya in 1941–42 was one of the fastest and most decisive airpower collapses of the Second World War. In just ten weeks, Allied air forces were overwhelmed by superior Japanese aircraft, flawed assumptions, and a rapidly shifting operational environment....



