User blog comment:Xaero Dumort/Just announced: Mass Effect 3 : Retaliation/@comment-1853169-20121004172747

Chris Priestly posted a few extra details on the BSN.

New ammo types: Explosive rounds, Phasic Rounds, Drill Rounds New gear items: Medi-Gel Transmitter, Armored Compartments, Responer Loadout, Survivor Loadout, Assault Loadout

In addition to the Turian Havoc Soldier and Turian Ghost Infiltrator, he had Krogan Shaman Adept (Krogan with shockwave in trailer?), Asari Huntress Infiltrator, Batarian Brawler Vanguard that he has since edited out from his post. There was also a Drell with homing grenade in the trailer too.