So first their salary certainly won't depend on their "minority" status. Most defense contractors aren't going to negotiate a whole lot, especially for an entry level. And comp depends greatly on where the job is, whether the person holds a security clearance, what languages they know, etc.
So basically you've asked an essentially unanswerable question. Look on glassdoor for the company they're applying to and that may give you some idea, but still there are a lot of variables.