The Missile Defense Agency hosted a tour of the Sea Based X-Band Radar on Thursday at Joint Base Pearl Harbor-Hickam. Product manager Bob Dees stood in front of the radar vessel at Ford Island.

Inside the white dome is the U.S. Missile Defense Agency’s Sea Based X-Band Radar ― SBX-1 for short. The MDA says it’s the world’s largest, most powerful mobile radar of its kind.

The Missile Defense Agency's massive Sea Based X-Band Radar, or SBX-1, is in Pearl Harbor for repairs and upgrades after a long voyage. Known to many Hawaii residents as "the golf ball " for its ...