Sometimes, Jette said, soldiers wanted an 80-pound workhorse like a model built by Foster-Miller of Waltham, which was also tested in Afghanistan.

MSN: New robots well trained for war

In the second, a model is turned into an alien planet, complete with an army of clone soldiers surrounded by giant war machines and laser bolts.

FORBES: Digital Slide Show: Making Yoda Walk

Paul Vallely and his wife Muffin presented to the Center a scale model of a statue commemorating the sacrifices of our fallen heroes on behalf of the Scott Vallely Soldiers Memorial Fund.

CENTERFORSECURITYPOLICY: 2005 Keeper of the Flame Award: James Inhofe