The US Missile Defense Agency (MDA) has requested USD118.3 million in fiscal year 2021 (FY 2021) to expand operating days for the Sea-based X-band (SBX) radar system that supports missile defence intercepts via midcourse warhead tracking and discrimination between the warhead and chaff.
SBX – a powerful radar atop a re-purposed oil rig displacing more than 50,000 tonnes in the Pacific – is slated to spend 305 days at sea and 60 days in port for maintenance, and then 330 days at sea annually from FY 2022–25, according to MDA budget documents.
“To address the continued missile threat from North Korea, the budget request includes funds to extend time at sea and conduct contingency operations for defence of the homeland,” the agency said.
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