Service: USN Armament: Standard Missile (SM-2MR); Vertical ... will be upgraded to support SM-3 and newer variants of the SM missile family. Throughout their expected service life, DDG 51 ...

RTX Corporation’s RTX unit, Raytheon, recently secured a $75.1 million modification contract to provide engineering and technical support for Standard Missile-2 (SM-2) and Standard Missile-6 (SM ...