LOCOMOTIVE ENGINEER (110)
Assistant Road Foreman, Engine
Locomotive Engineer (Diesel)
Locomotive Engineer (Electric)
Locomotive Engineer (Steam)

Operates steam, Diesel, or electric locomotive by manipulating levers which control speed and direction or locomotive in pulling and pushing freight and passenger cars over a military railroad.  Prepares locomotive for operation by checking
working condition of various levers such as locomotive operating hand lever, throttle, air brake, sand, and reverse levers.

LOCOMOTIVE FIREMAN (111)

Fires and tends a locomotive boiler; maintaining even fire in locomotive fire box to generate steam for locomotive power.  Fuels boiler by hand, shoveling coal, coke, or other fuel into the box or by manipulating valves to control flow of fuel oil to fire box. Maintains proper amount of water in tender of cistern.

MARINE ENGINEER (080)
Chief Marine Engineer

Supervises the operation of ship’s engine room.  Stands watch in engine room and supervises engine room crew in operating engines, pumps, injectors, condensers, boilers, and other mechanical, electrical, and sanitary equipment.

MARINE ENGINEMAN (839)

Operates and maintains gas or Diesel engine and auxiliary equipment used in propelling landing craft.

MARINE OILER (141)
Chief Oiler

Lubricates main engines, auxiliaries, and electric motors aboard ship by squirting oil into oil cups and filling grease cups to keep machinery in running order and to prevent overheating.  Assists marine engineer in repair work such as packing and pipe fitting, by lifting and holding parts and passing tools and material.

MASTER, L BOAT (547)
Pilot, L Boat

Supervises operation of "L" boat engaged in mine laying activities for defense of coastal waters and harbor areas. Steers boat to mine field site and supervises crew in connecting cables of a submarine mine group to a distribution box which is
connected to a shore point by means of a multiple conductor cable.

MOTORCYCLIST (378)
Motorcycle Scout

Drives a motorcycle with or without side car for patrol work, traffic control, messenger service, combat, or reconnaissance. Services motorcycle, performs first echelon maintenance, and makes minor repairs.

PACK DRIVER (565)

Leads pack animals used in transporting ammunition, materiel, supplies, and other cargo necessary for the functioning of field units operating in mountainous or jungle terrain.