UNDERWAY! 2025 Wall Calendar / W.W. II SPECIAL EDITION

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U.S.S. PENTHEUS

(ARL-20)


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ARL-20 Deployments - Major Events

Add a ARL-20 Shellback Initiation Add a ARL-20 Deployment - Major Event
Month Year to Month Year Deployment / Event
SEP1944-Keel Date: 29 SEP 1944
at Chicago Bridge & Iron Company
DEC1944-Launch Date: 22 DEC 1944
JUN1945-Commissioned: 7 JUN 1945
APR1946-Decommissioned: 20 APR 1946

ARL-20 General Specifications

Class: Achelous class repair ship

Complement: 255 Officers and Enlisted

Displacement: 2220 tons

Length: 328 feet

Beam: 50 feet

Draft: 11 feet 2 in

Final Disposition: Sold 13 June 1960