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m →Design: restructured the sentence to temporarily as the larger CCGS John G. Diefenbaker is expected to come into service not too long after the USCGC Polar Sentinel. |
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| Cost = * $1.038 billion (first vessel)
* $794 million (second vessel)
* $841 million (third vessel)<ref name="RL34391_sept2022" />
* $
| Built range =
| In service range = * 2024– (planned)
* 2029 (current estimate)<ref name="cbo_april2024">{{cite web|url=https://www.cbo.gov/publication/60244|title=Testimony on the Cost of the Coast Guard’s Polar Security Cutter|website=Congressional Budget Office|date=30 April 2024|accessdate=3 May 2024}}</ref>
| 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>
In April 2024, the [[Congressional Budget Office]]'s upcoming testimony before the Subcommittee on Transportation and Maritime Security Committee on Homeland Security 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" />
==Design==
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