PLATOON
A platoon is a tactical military unit typically consisting of approximately twenty-eight men, commanded by a lieutenant or a platoon sergeant. A platoon may be divided into two sections.
POINT
A Point is a Clan-style military unit consisting of one 'Mech or five armored infantry.
PPC
This abbreviation stands for Particle Projection Cannon, a magnetic accelerator firing high-energy proton or ion bolts, causing damage through both impact and high temperature. PPCs are among the most effective weapons available to BattleMechs.
REGIMENT
A regiment is a military unit consisting of two to four battalions, each consisting of three or four companies. A regiment is commanded by a colonel.
SRM
This is the abbreviation for Short-Range Missiles, direct-trajectory missiles with high-explosive or armor-piercing explosive warheads. They have a range of less than 1 kilometer, and are accurate only at ranges of less than 300 meters. They are more powerful, however, than LRMs.