Marine Corps Distinguished Service Order

The Marine Corps Distinguished Service Order was the second-highest decoration for valor within the Republic Marines, ranking beneath the Marine Corps Star in prestige. This medal was typically awarded for acts of conspicuous gallantry and leadership during combat situations, which resulted either in successful mission completion or the minimizing of casualties and loss of equipment. The honor was typically recommended for an individual by their commanding officer, with the citation being passed up the chain of command for approval.

Like other medals however, the Distinguished Service Order could be bestowed upon a Marine by an officer of flag rank, either admiral or general, from any of the three branches of the. As with other decorations for valor within the Marine Corps, earning the Order resulted in an individual soldier or officer advancing closer to being promoted in rank. Subsequent awards of the Order were marked as "clusters" upon the medal itself.

Behind the scenes
The Marine Corps Distinguished Service Order was inspired by the (DSO), a  military decoration.