The Missile Defense Agency has no plans through 2021 to buy long-range surveillance radars from anyone other than Raytheon, locking in a 30-year relationship with the vendor on a sole-source basis, according to a newly released document. The determination is included in a justification document posted online along with the agency's latest contract award to the company on Dec. 15, totaling $66 million, for continuing production of the AN/TPY-2 system. According to the justification document, the expected cost to the...