To own and operate a motorcycle in the Marine Corps now, you have to request permission through your chain of command, and if granted, attend training, and actively participate in a unit sponsored riding club typically led by an officer or SNCO. And you have to be wearing mandated safety gear even if that exceeds local/state requirements.
What they don't mention is that we suspect many of those fatalities might have been suicide, which is on the rise. And the consistent issue in all suicide attempts, ideation and completion, is relational problems (marriage, divorce, broken family). Congress blocked required pre-marital counseling, and determined its unlawful for the command to intervene in relational matters. So we police around the issues and hope for the best.
Only a fraction deployed to OIF and OEF are exposed to direct or indirect contact with the enemy. Many spend 15 mos. manning a forklift while their marriage of less than a year falls apart, dreaming of that motorcycle they're going to buy with their combat pay.