Lava is the extrusive equivalent of magma. Magma (from Greek Î¼Î¬Î³Î¼Î±, thick unguent) is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other terrestrial planets. Besides molten rock, magma may also contain suspended crystals, dissolved gas and sometimes gas bubbles.
United States military occupation code. A United States military occupation code, or a military occupational specialty code (MOS code), is a nine character code used in the United States Army and United States Marines to identify a specific job. In the United States Air Force, a system of Air Force Specialty Codes (AFSC) is used.
Typically the first two numbers give away what field and rank each member has earned. MARINES: The MOS is typically a 3 digit code for Marines, with the first two numbering from 01-99, giving their occupational fields, with the last digit for their specialty. NAVY: Called NEC, Naval Enlistment Classification, by providing ratings by a two or three digit code. Naval Officers use a âDesignatorâ.