A Raytheon developed Lower Tier Air and Missile Defense Sensor, or LTAMDS. The Army has received six prototypes of the future missile defense radar and has begun critical testing of the system. (Photo ...

A full scale mock-up of Raytheon's Lower Tier Air and Missile Defense Sensor. (Raytheon) Raytheon broke ground on a new 23,000-square-foot expansion of its Andover, Massachusetts, integration and ...