User blog comment:Commdor/More ME3 Details from the BioWare Forums/@comment-1746153-20110420172146/@comment-86.163.176.131-20110423091912

Well, the Combat Drone really wasn't really as effective as each other classes abilities, I mean the cloaking and bullet-time is really effective for quick kills, and Charge gets the user into more favourable ground. Combat drone doesn't really match up so good to them.