Many Americans view Wall Street as a bastion of greed and corruption; a place that attracts people who don't deserve the money they make but are willing to break the law to get more of it. Yet for all their mistrust, many of these same Americans believe that Wall Street is essential for our economy to function. How do we fix it? Send in the Marines.

Known for its exemplary discipline, the Marine Corps ensures victory by obeying key commands, such as: establish clear, tactical objectives; know the terrain before heading into battle; identify and capitalize on combat advantages;...