The U.S. military is fatter than ever, and the Army is leading the way with more than one in 10 soldiers considered clinically overweight, according to new Defense Department data obtained by Military Times.

Coming in a close second is the Air Force, followed by the Navy.

Marines appear to be the fittest service members in today’s force. Yet despite the Corps’ culture of fitness and vigor, more than 4,800 Marines appear to be heavier than regulations allow.

These previously undisclosed health statistics offer new insights into the military’s growing problem with obesity and how it varies from service to service. The issue has broad implications for the health and readiness of today’s force.