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| Built range =
| In service range = * 2024 (planned)
* May 2030 (current estimate)<ref name="bollinger_March2025_cm" />
| In commission range =
| Total ships planned = 3
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In August 2023, Bollinger Shipyards began steel cutting for eight "prototype modules" for the first Polar Security Cutter.<ref>{{cite web|url=https://news.usni.org/2023/08/09/bollinger-cuts-first-steel-on-polar-security-cutter-polar-sentinel|title=Bollinger Cuts First Steel on Polar Security Cutter|date=9 August 2023|accessdate=10 August 2023|publisher=USNI News}}</ref>
On 7 May 2024, the [[Congressional Budget Office]] testified before the Subcommittee on Transportation and Maritime Security of the Committee on Homeland Security. The Congressional Budget Office estimated that the total cost of three vessels would be $5.1 billion, about 60% more than the Coast Guard's estimate in March 2024, and the delivery of the first vessel would be in 2029.<ref name="cbo_april2024" /> In December 2024, it was estimated that the vessel would be operational in 2030 at the earliest.<ref name="wt20241218">{{cite web|url=https://www.washingtontimes.com/news/2024/dec/18/new-u-arctic-icebreakers-won-ready-2030-lawmakers-/|title=New U.S. Arctic icebreakers won't be ready until 2030, lawmakers say|website=Washington Times|date=18 December 2024|accessdate=21 December 2024}}</ref> When subcommittee chair [[Carlos A. Giménez]] asked why the Polar Security Cutter design was only 67% complete after five years of work, a [[Government Accountability Office]] witness explained that nothing like the Polar Security Cutter has been built in the United States in 50 years; American shipbuilders have no recent experience building large icebreakers. Coast Guard Vice Admiral [[Paul F. Thomas|Paul Thomas]] reminded the subcommittee that Halter Marine chose to base the PSC design upon the proposed ''Polarstern II'' design, rather than upon an existing Finnish icebreaker suggested by the Coast Guard. Because the ''Polarstern II'' has never been built, its design is necessarily incomplete.<ref>{{cite news |last=Ruskin |first=Liz |date=7 May 2024 |title=The U.S. was supposed to get keys to a new heavy icebreaker this year. Instead, construction is years late as costs soar. |url=https://alaskapublic.org/2024/05/07/the-u-s-was-supposed-to-get-keys-to-a-new-heavy-icebreaker-this-year-instead-construction-is-years-late-as-costs-soar/ |work=[[Alaska Public Media]] |___location=Washington, DC |access-date=8 May 2024}}</ref>
On 25 March 2025, Bollinger Shipyards secured a $951 million contract modification for the Polar Security Cutter program. The completion of the first vessel is anticipated by May 2030.<ref name="bollinger_March2025_cm">{{cite web|url=https://www.bollingershipyards.com/news/bollinger-shipyards-secures-951-million-u-s-coast-guard-contract-modification-for-polar-security-cutter-program/|title=Bollinger Shipyards secures $951 million U.S. Coast Guard Contract Modification for Polar Security Cutter Program|website=Bollinger Shipyards|date=25 March 2025|accessdate=26 March 2025}}</ref>
==Design==
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| Under Contract<ref name="RL34391_sept2022">{{cite news |url=https://crsreports.congress.gov/product/pdf/RL/RL34391/ |title=Coast Guard Polar Security Cutter (Polar Icebreaker) Program: Background and Issues for Congress |date=21 September 2022 |publisher=Congressional Research Service |access-date=1 October 2022}}</ref><ref>{{cite news |url=https://njscuba.net/shipbuildinghistory/statistics/currentnavy.html/ |title=U.S. Government Shipbuilding (2020) |access-date=1 October 2022}}</ref>
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| WMSP-22
| [[Bollinger Shipyards]]
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| Under Contract<ref name="RL34391_sept2022" /><ref>{{cite news |url=https://njscuba.net/shipbuildinghistory/statistics/currentnavy.html/ |title=U.S. Government Shipbuilding (2020) |access-date=1 October 2022}}</ref>
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| Polar Glacier
| WMSP-23
| [[Bollinger Shipyards]]
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