User blog comment:Commdor/E3 Coverage of ME3 News Begins/@comment-1221773-20110606192046/@comment-1221773-20110606193905

New gameplay demo, Shepard has to take out a Reaper base. Shepard uses a targeting device to get the Normandy to launch a strike on the base, which turns out to contain a live Reaper. Shepard, Garrus, Liara, and Legion board a vehicle, Shepard mans a turret as the Reaper crawls after them. An orbital strike is called in and the Reaper is hit dead-on, but it survives. The demo ends.

The new ME3 trailer is then shown, release date confirmed to be March 6, 2012.