Is 1391 (Expeditionary Fuels Technician) a Good MOS?

AIT / Training

9 weeks

Training Location

MCES, Camp Lejeune, NC

Career Field

Engineer/Utilities

What the Recruiter Says

Nothing moves without fuel — not vehicles, not aircraft, not generators, not the war. You'll be the Marine who keeps the entire MAGTF running by managing the fuel supply chain from ship to shore to aircraft to motor pool. You'll operate specialized fuel systems, test fuel quality, and manage bulk storage in the field and in garrison. The petroleum and hazmat handling skills translate directly to civilian careers in the oil and gas industry, airport fueling operations, and industrial fuel management — and those industries pay well for people with hands-on experience and safety certifications.

What It's Actually Like

You are a gas station attendant with a security clearance and a combat load. That is the joke and it is not entirely wrong. Your job is to make sure every vehicle, aircraft, and generator in the MAGTF has the right fuel, at the right place, at the right time, at the right quality. When it works, nobody thinks about fuel. When a helicopter can't fly because the JP-5 is contaminated or the FARP ran dry, everyone suddenly cares very much about what you do. The work is physical — you are moving hoses, connecting fuel lines, setting up tactical fuel systems, and doing it in environments that range from flight lines in 120-degree heat to muddy field positions in the rain. You will learn more about petroleum products than you ever wanted to know: specific gravity, fuel additives, water contamination, microbial growth in fuel tanks, and why you test every batch before it goes into an aircraft. The hazmat handling is real and constant — you are working with thousands of gallons of flammable liquid and the safety protocols exist because people have died when they were ignored. Garrison life often means working at the bulk fuel farm or motor pool fuel point, which is repetitive but predictable. Field ops are where the job gets interesting — setting up expeditionary fuel systems, running hose lines across terrain, and keeping the fuel flowing during exercises or deployments. Civilian translation is genuinely strong if you get your certifications: HAZWOPER, API certifications, CDL with hazmat endorsement. Airport fueling operations, refinery work, oil and gas pipeline operations, and industrial fuel management all want people who have done this under pressure. Without certs, you are competing against people who have them. Start stacking credentials while you are still in.