This is an audio version of the Wikipedia Article: https://en.wikipedia.org/wiki/United_States_military_aircraft_designation_systems 00:00:17 1 History 00:00:26 1.1 United States Army Air Service 1919 to 1924 00:00:58 1.2 Army aviation 1924 to 1962 00:01:48 1.3 US Navy system 1922 to 1962 00:02:16 1.4 United States Army 1956-1962 00:02:38 1.5 Tri-service system (Air Force/Navy/Army) 1962 to date 00:03:44 2 Individual system pages 00:04:16 3 See also Listening is a more natural way of learning, when compared to reading. Written language only began at around 3200 BC, but spoken language has existed long ago. Learning by listening is a great way to: - increases imagination and understanding - improves your listening skills - improves your own spoken accent - learn while on the move - reduce eye strain Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone. Listen on Google Assistant through Extra Audio: https://assistant.google.com/services/invoke/uid/0000001a130b3f91 Other Wikipedia audio articles at: https://www.youtube.com/results?search_query=wikipedia+tts Upload your own Wikipedia articles through: https://github.com/nodef/wikipedia-tts Speaking Rate: 0.9821108502521825 Voice name: en-GB-Wavenet-A "I cannot teach anybody anything, I can only make them think." - Socrates SUMMARY ======= The United States Military Aircraft Designation System was first designed in 1919 when the US Army's Aeronautical Division became the United States Army Air Service. Before this aircraft were put into service under their manufacturers' designations.

• published: 27 Jun 2019
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