aa712b17_Specialties___Military_Science__DESCRIPTION
[MOS] 13B [TITLE] Cannon Crewmember [DESCRIPTION] 
Cannon Crewmembers work on cannons known as "howitzers," a heavy artillery machine with single-barrel firing capability. Here are some of the duties of a Cannon Crewmember: starts and maintains wire and radio communications; identifies target locations; operates self-propelled howitzers, ammunition trucks and other vehicles.
Enlisted Military Operational Specialties | Military Science
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