Bravemen Across the Galaxy (Yusha yo Ginga o Watare)
Lyricist: Ishinomori, Shôtarô
Composer: Kikuchi, Shunsuke
Singers: Sasaki, Isao & Columbia Male Choir
This is the opening theme to Message From Space: Galactic Wars (Uchu Kara no Messeji: Ginga Taisen