The following is a list of US Army Military Occupational Specialties Codes from 1950.
This is a somewhat complete list of Commanding Generals for MCRD San Diego, since the beginning of the recruit depots as we know them today. It may be helpful in determining dates for some MCRD San Diego Recruit Yearbooks as some early ones weren't dated.
This is a somewhat complete list of Commanding Generals for MCRD Parris Island, since the beginning of the recruit depots as we know them today. It may be helpful in determining dates for some MCRD Parris Island Recruit Yearbooks as some early ones weren't dated.
Marine Corps Recruit Depot, Parris Island (Marine Barracks, Parris Island before 1948)
The following is an alphabetical and numerical list of old Army MOS codes for enlisted soldiers during World War II, from 1944, with links to job descriptions, taken from Army TM 12-427. The military occupational codes consisted of a three (sometimes four) digit number during WWII, unlike today's system, in which the occupational specialty code (MOSC), consists of a two-digit number appended by a Latin letter.