Pictured is a Northrop Grumman depiction of the second-stage rocket motor for the LGM-35A Sentinel.

Northrop Grumman [NOC] said this week that it is adding hundreds of jobs to the 5,000 the company now has working on the LGM-35A Sentinel future ICBM. A ground breaking on a new building at the Roy Innovation Center (RIC) in Utah "brings the RIC campus to a total of six state-of-the-art buildings and more than 1.1 million square feet of office space," according to Northrop Grumman. "Construction of the new 'Legacy Building' begins this summer and will be completed…