CREATIVE COMMONS RECOGNITION:
Intro background:    • Cinematic Background   Pigment Ajans; Creative Commons
Intro Music:    • AfterInfinity - Valkyrie [Royalty Fre...  ; AfterInfinity Music; AfterInfinity - Valkyrie [Royalty Free Music] Creative Commons

Links:
https://www.defense.gov/Our-Story/Com...
https://www.defense.gov/Experience/Mi...