MM Machinist's Mate

What a MM Does

Machinist's Mates operate and repair a ship's mechanical systems, including steam and diesel equipment, pumps, air conditioning, refrigeration and water plants. They keep engineering spaces running around the clock. The skills translate well to civilian mechanical and HVAC trades.

Scores That Count for MM

• VE + AR + MK + AS: Verbal Expression (Word Knowledge + Paragraph Comprehension), Arithmetic Reasoning, Mathematics Knowledge, Auto and Shop. Study: Word Knowledge, Paragraph Comprehension, Arithmetic Reasoning, Mathematics Knowledge, Auto and Shop
• VE + AR + MK + AO: Verbal Expression (Word Knowledge + Paragraph Comprehension), Arithmetic Reasoning, Mathematics Knowledge. Study: Word Knowledge, Paragraph Comprehension, Arithmetic Reasoning, Mathematics Knowledge

Navy line scores are simple sums of standard scores, and each standard score averages 50. A four-section sum of 200 is about average.

Other Requirements

• Normal hearing
• Some ways into this job use Assembling Objects, which is given separately from the ASVAB.

Related Navy Jobs

• EM Electrician's Mate VE + AR + MK + MC = 210, or AR + MK + EI + GS = 210
• AD Aviation Machinist's Mate VE + MK + AS = 158, or VE + MK + EI = 155
• AECF Advanced Electronics Computer Field (ET, FC) AR + MK + EI + GS = 222, or AR + 2MK + GS = 226
• AO Aviation Ordnanceman MK + AS + AO = 131
• AT Aviation Electronics Technician VE + AR + MK + MC = 217, or VE + AR + MK + AO = 217

See all 77 Navy ratings and their scores