Incoming Resources
- The drone age, how drone technology will change war and peace, Michael J. Boyle
- Flying the world's greatest aircraft, superlative military machines from Sabre to Raptor, general editor, James Bennett
- Air warriors, a production of Red Rock Films for Smithsonian Networks director, Sari Wiener ; producer, Brian Armstrong, Tim Evans, Season 2
- Military helicopters, flying into battle, Lynn Peppas
- Helicopters, high-flying heroes, by Karen and Glen Bledsoe