In the novelStarship Troopers, Robert Heinlein creates a rank known as "Sky Marshal". This is the supreme commander over both the space army and the space navy. Candidates for Sky Marshal need experience in both branches. As the protagonist of the novel puts it:"A man can't buck for Sky...
but Dutch from Predator would be fair game since he’s basically a contemporary soldier placed into a sci-fi setting.) Although armed forces are often divided into different branches or paramilitary structures, this list will include anyone who is enlisted into a government-sponsored fighting force...
Regardless of how long anyone served and whether it was active duty, Guard or Reserves, every service member will be categorized into one of five branches: US Army US Navy US Air Force US Marine Corps US Coast Guard The plan is to add panels to the existing memorial at the school and...