That's about one in five Marines in the force today. Of those Marines, 18,580 — or fewer than one in 10 Marines — have deployed twice. The number of Marines in today's force who have deployed three times is about 6,500, and only 2,181 Marines have four or more deployments, according to Manpower and Reserve Affairs.

Do Marines always get deployed?

Many Marine Corps deployments happen on Navy ships, or service members may fly to their deployment location. The majority of Marine Corps deployments include approximately one year of training followed by six to seven months of actual deployment time.

How long is a Marine deployment?

The average length of deployment for a Marine is 12 months, but the length can vary depending on the type of deployment.