14K views · 55 reactions | The saliva coronavirus test — which has a "98% concurrence" with the result of the swab test based on 1080 samples tested in the pilot run — will be a "game-changer" in the #COVID19 pandemic response because it is accurate, fast and less expensive, said PRC's Paulyn Ubial. | ANC 24/7 | Facebook

5M views · 44K reactions | Before I was an astronaut I was a test pilot, finding new ways to recover an F-18 after it went out of control. We learned a lot & made flying safer - but good to have an ejection seat, just in case. | Col. Chris Hadfield | Facebook

14K views · 211 reactions | CEO duties: test the Varg EX with the best co-pilot around  ⚡️ #starkvarg #starkfuture | Stark Future | Facebook

On this day in 1947 Chuck Yeager broke the sound barrier in level flight at Muroc Dry Air Field (now Edwards Air Force Base), Calif. See photos of his flying suit here --> http://bit.ly/2CAxXmu #airhistory #avgeek | National Museum of the U.S. Air Force