Raytheon is a large, well-known defense contractor with divisions all over the world. Sarcos Robotics is a small company in Utah that makes, among other things, animatronic and robotic characters for movies and amusement parks. And now Raytheon has bought Sarcos.
This article in Mass High Tech describes how Sarcos will be folded into the Integrated Defense Systems division in Massachusetts. In addition to its business of animatronics, Sarcos works on some medical devices and MEMS. Undoubtedly the MEMS technology will come in handy as part of Raytheon's defense systems, but perhaps there is another reason: Sarcos makes a robotic butterfly (link goes to Quicktime video). Perhaps Americans should be suspicious of military butterfly spies?
At any rate, take a look at Sarcos's website (especially their mildly intimidating jobs page). They do an excellent job of posting videos of their animals, humanoids, and other products. I like the juggling robot, below. I can't even do that.