H - HQ, C - Company command, P - Platoon Command
1) R = contact (usually by radio). White - IN contact, Yellow - poor radio contact only, Red - OUT of Contact.
2) * means they have no radio
3) first - is command level then suppression and damage
See too this thread - especially quoted GG in post #14:
http://forum.shrapnelgames.com/showt...t=46030&page=2