Coast Guard seeks info on medium icebreaker options from US, international industry

The service wants a ship that can be launched within three years of a contract award being issued, according to a recent request for information.

Apr 15, 2025 - 17:44
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Coast Guard seeks info on medium icebreaker options from US, international industry
Aiviq Nanuq tow of Kulluk

The tugs Aiviq (foreground) and Nanuq tow tandem tow the mobile drilling unit Kulluk 116 miles southwest of Kodiak City, Alaska, Sunday, Dec. 30, 2012. The USCG recently acquired Aiviq and re-named it USCGC Storis (WAGB-21). (U.S. Coast Guard photo by Petty Officer 2nd Class Chris Usher.)

WASHINGTON — The US Coast Guard is seeking information from industry — at home and abroad — about its capability and capacity to build medium-sized icebreakers under a 36-month timeline from contract award to launching the ship.

“The purpose of this [request for information] is to increase the USCG’s understanding of the current status and capability of both the U.S. and broader international maritime industrial base as it pertains to
existing icebreaking capable vessels or vessel designs that are ready for construction or already
in production,” according to the notice published April 11. “Specifically, the USCG seeks to understand what existing vessels or production ready vessel designs satisfy or closely satisfy the below preliminary capability parameters.”

The Coast Guard’s ship specifications include a maximum length of 360 feet; beam of 78 feet; draft of 23 feet; a helicopter hangar and the ability to break ice with a thickness of 3 feet at a continuous speed of 3 knots. Further, the ship should have a range of 6,500 nautical miles at 12 knots and an endurance of 60 days. Responses are due April 25. Sixty Degrees North, a substack ran by Peter Rybski, a retired US Navy commander, first reported on the USCG’s new RFI.

Icebreakers are categorized based on their size, which roughly corresponds to their capability to break ice in the harshest conditions. The Coast Guard’s current marquee program, the Polar Security Cutter, seeks to build four or five heavy-class icebreakers capable of operating in virtually any climate at any time of the year.

The recent RFI, however, applies to what’s known as the smaller “Arctic Security Cutter” program, which is meant to provide medium-sized icebreakers that would operate in parallel with the PSCs to ensure the Coast Guard and the US Navy’s fleets have reliable access to the High North and Antarctic regions.

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The USCG currently operates two polar icebreakers, 18 domestic icebreakers and 16 ice-capable buoy tenders, a service spokesperson previously told Breaking Defense. A Coast Guard spokesperson did not immediately respond to a request from Breaking Defense for further comment about the RFI.

The RFI’s issuance follows numerous calls by President Donald Trump to substantially boost the country’s icebreaker count by dozens of ships. The Coast Guard has said it wants four or five heavy icebreakers from the Polar Security Cutter program and, later, about the same number from the Arctic Security Cutter program.

In March, the Coast Guard and Navy’s joint program office awarded. Bollinger Shipyards a contract valued at nearly $1 billion to advance the design and construction of the first Polar Security Cutter. That ship is now scheduled for delivery in May 2030.