As you want to know about the Sea-Based X-Band Radar (SBX-1) so here are the details

About

The Sea-Based X-Band Radar (SBX-1) is a floating, self-propelled, mobile active electronically scanned selection early-warning radar station designed to operate in high winds and heavy seas.

It was urbanized as part of the Missile Defense Agency's Ballistic Missile Defense System.

Facts

Mobility Sea-based, mounted on a semi-submersible vessel that is able to travel at up to 8 knots
Role Detect, track, and discriminate incoming threats and provide data to GBIs as part of the BMDS
Frequency X-band radar
Range Detect objects at up to 2,500 miles away
Status On limited support status
Producer Boeing Co. and Raytheon Co.

Specifications

Vessel length: 116 meters (381 ft)
Vessel height: 85 meters (279 ft) from keel to top of radome
Vessel draft: approximately 10 meters (33 ft) when in motion or not on station; approximately 30 meters (98 ft) when on station
Vessel stability: remains within 10 degrees of horizontal on station (fully passive stabilization)
Cost: US$900 million
Crew: Approximately 75-85 members, mostly civilian contractors
Radar range: 2,000 kilometers (1,200 mi)
Displacement: 50,000 short tons (45,000,000 kg)