This website is not affiliated with the U.S. government or military. All proceeds from the operation of this site are donated to veteran and other charities.

Multiple Launch Rocket System (MLRS/HIMARS) Crewmember (13M)

Combat Army MOS Information
  • Enlisted
  • Active Duty
  • Army Reserve
  • Closed to Women

A Multiple Launch Rocket System (MLRS) Crewmember is an important part of the Army’s combat team. MLRS teams are used to support infantry and tank units while supplementing cannon artillery in combat, but they also have responsibilities during peacetime. The MLRS launches various missiles and ammunition in quick strikes during combat. The crewmembers are responsible for operating and maintaining the entire MLRS system.

Here are some of the duties of an MLRS Crewmember:

  • Drive self-propelled MLRS launcher and re-supply vehicles
  • Perform maintenance on MLRS launcher and re-supply vehicles
  • Reload ammunition on launcher and re-supply vehicles
  • Test and maintain the fire control system as needed
  • Mount radio sets and communication systems in all MLRS vehicles


MLRS Crewmembers constantly lift heavy objects and perform strenuous activity for long periods without rest. Being in top physical and mental shape is definitely a plus in this job. Normal color vision is also required in order to identify color-coded ammunition.


Job training for an MLRS crewmember requires 9 weeks of Basic Training, where you learn basic Soldiering skills, and four weeks, one day of Advanced Individual Training. Part of this time is spent in a classroom and part in the field under simulated combat conditions. Some of the skills you will learn are:

  • Methods of calculating targets electronically and manually
  • Handling ammunition
  • Operating gun, missile and rocket systems specific to the MLRS
  • Artillery tactics and battle strategy

Helpful Skills:

As your MLRS Crewmember career continues, you will have the opportunity to take more advanced courses and have more in-field training.

  • Interest in rocket and cannon operations
  • Ability to take on challenge and remain calm under stress
  • Top physical and mental shape
  • Ability to work as a team member

Advanced Responsibilities:

Advanced level MLRS Crewmembers helps manage and supervise all MLRS operations, maintenance and training. They lead the reconnaissance team in combat to determine routes and firing locations. Advanced level MLRS Crewmembers make manual fire control entries and enter weather data into the fire control system.

Important Information: We strive to provide information on this website that is accurate, complete and timely, but we make no guarantees about the information, the selection of schools, school accreditation status, the availability of or eligibility for financial aid, employment opportunities or education or salary outcomes. Visit here for important information on these topics.