Can't find it online right now - dead tree edition Seattle PI did a piece on officers bailing on military as soon as minimum commitment is over. They don't feel Iraq is worth it and after one tour of duty they've got all the experience, awards, medals, stories, accomplishments and glory they need for a lifetime. No point in a second tour.
Big business covets their skills and maturity and works extra hard to recruit them. Its working. Working on a big time generation gap in officers.