The Pentagon's contract obligations grew 13 percent between fiscal years 2015 and 2017 -- but the five largest defense contractors reaped most of that benefit, according to new analysis by the Center for Strategic and International Studies. CSIS' defense-industrial initiatives group today released several new reports, including an examination of acquisition trends and a look at new entrants in the market. The data indicates that from FY-15 to FY-17, defense products contracting grew 22 percent, far more significantly than defense...