The AN/SPG-55 was an American tracking / illumination radar for Terrier and RIM-67 Standard missiles (SM-1ER/SM-2ER). It was used for target tracking and
launcher where the missiles exit the launcher feeder and AN/SPG-55 radars at middle right. An SM-2ER in the magazine area, on a ready service ring of the
during a comprehensive overhaul. Aboard the Long Beach, the system used AN/SPG-55 radars for missile guidance. Despite its failure to enter widespread service
Terrier surface-to-air missile system. The supporting missile launchers and AN/SPG-55 radars consumed a large amount of space, while at the same time duplicating