U.S.C.G.C. Storis
WAGB-21
2025
(Rhenania RH-192A)
- Class: Storis - 1 medium icebreaker of 2024
- Displacement: 12,892 tons
- Dimensions: 360'11" (oa) x 80'1" x 28'3"
- Machinery: 4 Caterpillar C280-12 diesels, 4 x 4,060 kW; 2 ducted controllable-pitch propellers, 3 bow thrusters, 2 stern thrusters
- Speed: 15 knots in open water, 5 knots in 1m ice
- Helicopters: Helideck
- Complement: 28; accomodation for 64
- Builder: North American Shipbuilding, Larosa, Louisiana
- Keel Laid: 3 Feb 2010
- Launched: 1 Nov 2011
- Completed: 20 Apr 2012
- Acquired: 20 Dec 2024
- Commissioned: 10 Aug 2025
- Notes: Originally built as the icebreaking anchor handling tug supply vessel (AHTS) Aiviq for Royal Dutch Shell to support oil exploration and drilling in the Beaufort Sea and Chukchi Sea off Alaska. The Coast Guard acquired the vessel in Dec 2024 and she was commissioned in Juneau in Aug 2025.
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