To unlock the all pro emblem you must acheive this ... get 2 headshots with 1 bullet.
prestige and get 500 kills for silver or 2500 kills for silver with skulls or 250 headshots for silver with all pro emblem in top right corner or get 1000 headshots
i no a couple there is cold-blooded pro scavange pro marothon pro and a couple others
Click click boom! kill someone with C4 whilst your on last stand (for this you need last stand pro)
It gives you full ammo for all of your guns,
in mw2 you need to get 10 nukes to get the emblem, i have got 13 nukes camping on ground war, demolition or domination with a noob tube (grenade launcher) with one man army pro, danger close pro and commando pro. the killstreaks should be harriers, chopper gunner and nuke. it does get hard once you come out of the chopper gunner with 5 kills off.
quick aim after sprinting
Foot steps are silent
quicker aiming after sprinting
You unlock all accomplishments.
Hardline pro will make your death streak cost one less death
It makes enemy footsteps louder
you swap classes faster