Developed by the talented researchers at Boston Dynamics, the AlphaDog “is designed to carry 400 pounds, last 24 hours and carry enough fuel for a 20-mile trip.” Continue reading to see it in-action.

It’s being developed under DARPA’s Legged Squad Support System (LS3) project. DARPA and the Marines are expected to take this beast for a walk sometime in 2012.

[via PopSci]