"On September 18, 2018, we celebrate the 71st birthday of the United States Air Force"
https://www.dvidshub.net/video/626268/air-force-71st-birthday-promo
34 second video
Creating Space Force Will Cost $13B Over 5 Years: USAF Secretary
https://www.defenseone.com/politics/2018/09/creating-space-force-will-cost-13b-over-5-years-air-force-secretary/151312/