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KBR, Inc. [KBR] on Friday said it has agreed to acquire Stinger Ghaffarian Technologies, Inc. (SGT) in a $355 million deal that will expand its support for the federal government, and position it as a top tier services contractor at NASA.The deal is expected to close in early April. KBR said the acquisition will be accretive to its adjusted earnings in the first full year after it closes. SGT has about $500 million in annual sales and KBR expects revenue…
