UNSC
Marines: Grenades upgrades to rockets
Spartans: Jack vehicles
Flame marines: Flash bangs
Warthog: Rams
Scorpion: ? I have yet to actually look at a scoorpion 'in detail'
Hornet: Rockets
Vulture: Missle barrage
Elephant (special unit from captian cutter): Lock down and transform into a barracks
Cobra: Lock down
Wolverine: edited. grenade launcher
Covenant
Grunt squad: Plasma grenade
Elite honor guard: Cloak once researched
Hunter: Dont know*
Jackal: Dont know*
Ghost: Ram
Wraith: I never made a wraith :)
Locust: Dont know
Scarab: Doesnt have one
Prophet of Regret: Cleasning beam. Covenant dont have powers like the UNSC but the leaders hold the powers
Banshee: Dont know*
Vampire: stasis lock
Engineer: Dont know*
*= I never used it because I either didnt make said unit or just completly forgot about the whole 'Y' ability thing.
I believe thats every thing.
"Intiating directive 7395: DESTROY ALL COMMUNNISTS!"
"Communsim is the very definition of failure!"
"Better dead then Red!"
"Liberty Prime online. Weapons are hot. Objective: To liberate Alaska and destory any and all red chinese communists!"