The companies are both developing sensors to track missile threats from medium Earth orbit.
USSF awards Missile Track Custody Prototype effort > Los Angeles
SMC Eyes MEO Sats For Missile Tracking - Breaking Defense
MilsatMagazine
Technology Today Volumn 3 Issue 1 - Raytheon
Countering Hypersonics from Space: Multi-Orbit Missile Warning
Space Force Has High Hopes for New Missile Warning Satellites
Raytheon, Millennium get more funding for missile tracking satellites
News Raytheon Technologies awarded contract for missile warning
Missile Defense Alarm System - Wikipedia
Detecting Missile Threats from Space
Space Force, Lockheed are ready to start making the nation's new
Detecting Missile Threats from Space
Space Force Plans To Place New Early Warning Satellites Into Non