Thought about that before the purchase, but marinecorps.com is developed, my semperfidelis.com is developed, leathernecks.com, developed; usmarines.com, developed and many more.
Not using the 'oh, hey, they're jumping off of bridges, so let me do it also" analogy, but my take on it is, hqmc(headquarters marine corps) has more important things to worry about than friendly infringing sites.
The more recruiting tools out there, the better. Believe me, I know. :D