Austin-based LifeSize said today it is in a program to connect U.S. Army soldiers in Fort Lewis, Washington with NFL stars at the Super Bowl in Phoenix. The firm said that it is powering the video communications behind an NFL charity program called NFL Charities Super Bowl XLII Community Impact Program. Financial impact of the deal was not disclosed. The firm is part of an install with RADVISION, a provider of video networking infrastructure. LifeSize is a developer of high definition video conferencing hardware.