83K views · 788 reactions | (Lamlash, Scotland.) #WW2 Meet "Lily", an experimental air strip, consisting of hexagonal buoyancy drums hinged together to form a flexible landing surface for aircraft at sea. It was 520 feet long and 60 feet across. (Note the booster rockets.) #WW2 #HISTORY | British & Commonwealth Forces | Facebook

2M views · 8.7K reactions | The test flight of Raúl Pateras Pescara's helicopter in the early 1920s marked a significant milestone in the development of rotary-wing aircraft. His experimental flights were among the first to show that controlled helicopter flight was possible. | History In Pictures | Facebook