Not as uncommon as you might think...

It puts me in mind of my friend Clark, who battled last minute misinformation and dropped ten pounds in one week in order to join the Navy before his 32nd birthday, the cutoff age for enlistment.

The Lance Cpl.Who Left Wall St.

No one who knew Dimitrios Gavriel, 29, was surprised when he joined the Marines, even though it seemed an unlikely choice for an Ivy League–educated Manhattan research analyst.

Via Powerline: