Here's some that you didn't include,
GT : Guard tower , usually refers to the non advance one (can also mean Nod's Gun Turret)
HW: hotwire
PT: purchase terminal
SAM: Surface-to-Air Missile , usually refers to the SAM site, the anti-air base defense of NOD
LT: light tank
PIC : Personal Ion Canon armed infantry
chemy : Chemical trooper
Flamer: Nod flamethrower
APC: Armored Personnel Carrier
C4: general for the timed, remote or the proximity explosive
SBH : Stealth soldier, can also be sniper black hand (rarely refer to sniper in renegade X)
Mines doesn't have to mean YOUR mines
MLRS Party : a group of MLRS rampaging
HBH : Heavy black hand, that's what they were called in Renegade back in 2002 time, I don't see people calling them HBH anymore but I just write this here just in case
Tranny: apc
mend : mendoza, the Nod character