269K views · 10K reactions | Texas officials are being questioned about warning systems ahead of the deadly floods. As NBC News' Priscilla Thompson reports, Kerr County doesn't have a county-wide siren warning system in place. | NBC News | Facebook

18K views · 664 reactions | Here's a short one for ya'll; on climb out of Goodyear on a very short flight to Skyharbor (Phoenix), we were vectored through some interesting terrain and a lot of general aviation traffic, mostly cirrus and diamond aircraft. This is an example of an actual traffic situation involving the TCAS system with instructions from ATC to avoid an RA or Resolution Advisory. #SputnikAviation #DreamBelieveBuild #airbus #a320 #TCAS | Sputnik Aviation | Facebook

41K views · 559 reactions | The Sikorsky helicopter was not equipped with “Taws” -- a terrain avoidance warning system required in commercial airplanes and Medevac choppers to help pilots avoid steep terrain. | NBC Nightly News with Tom Llamas | Facebook