The Thunderbirds, the Air Force's aerial demonstration team, perform precision flying during an air show commemorating the Air Force's 70th anniversary at Great Falls, Nevada, July 21. (Staff Sgt. Nieko Carzis/Air Force)
It has been a turbulent year, at home and abroad. Here are a selection of images reflecting just some of the major news stories of 2017.
"It flies like a dream," ACC head Gen. Kenneth Wilsbach said of the new EA-37B Compass Call, a heavily adapted Gulfstream jet that will replace the EC-130.
NPR reported that a cemetery official tried to prevent Trump staffers from filming in Section 60, but the individual was verbally abused and shoved aside.
A 20-year study of more than 2,000 Swedish service members found no long-term obstacles to them finding work and succeeding after serving in war zones.
Money for space "is going to need to double or triple over time,” the Air Force secretary said in an interview, with a resilient architecture top of mind.