USMC enlisted MOS descriptions
Occupational Fields
01 - Personnel and Administration
02 - Intelligence
03 - Infantry
04 - Logistics
05 - Marine Air Ground Task Force (MAGTF) Plans
06 - Command and Control Systems
08 - Field Artillery
11 - Utilities
13 - Engineer, Construction, Facilities, and Equipment
18 - Tank and Assault Amphibious Vehicle
21 - Ordnance
23 - Ammunition and Explosive Ordnance Disposal
25 - Operational Communications
26 - Signals Intelligence/Ground Electronic Warfare
28 - Data/Communications Maintenance
30 - Supply Administration and Operations
31 - Traffic Management
33 - Food Service
34 - Financial Management
35 - Motor Transport
40 - Data Systems
41 - Marine Corps Exchange
43 - Public Affairs
44 - Legal Services
46 - Visual Information
55 - Music
57 - Nuclear, Biological, and Chemical
58 - Military Police and Corrections
59 - Electronics Maintenance
60/61/62 - Aircraft Maintenance
63/64 - Avionics
65 - Aviation Ordnance
66 - Aviation Logistics
68 - Weather Service
70 - Airfield Services
72 - Air Control/Air Support/Anti-air Warfare/Air Traffic Control
73 - Navigation Officer/Enlisted Flight Crews
80 TO 95 - Category B MOSs
98 TO 99 - Special Identifier MOSs
a few MOS course descriptions
This is what yer lookin for.....
scroll down the page bit on this one