4.7K views · 54 reactions | Experimental aircraft pilot Hugh McElrath spends a lot of time in crowded airspace and says that, of all the reasons to equip with ADS-B, being visible in congested skies tops the list. bit.ly/2A8K0Xg | Federal Aviation Administration | Facebook

83K views · 793 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

18K views · 659 reactions | Before walking on the Moon, Neil Armstrong was a NASA test pilot. He made his first flight in the experimental X-15 aircraft #OnThisDay in 1960, flying at nearly 4,000 mph! Get to know his contributions to aerospace research before he was selected as an astronaut. https://www.nasa.gov/people/neil-a-armstrong/ | NASA History | Facebook