Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100539

MacLeod's description:

Genre: Soundtrack
Length: 3:05
Instruments: Brass, Marching Snare, Harmon Mute Trumpet, Strings, Orchestral Percussion, Flute
Tempo: 102

An epic orchestral work featuring heavy brass and strings. This piece takes the listener on a spirited journey through military might and hopeful adventure. 042
ISRC: US-UAN-11-00539
Epic, Intense, Suspenseful, Uplifting 2009