Rhine River Patrol (US Navy)
(Source: Harland G. Voigt, Jr.)
Several of the unit's personnel enjoy the novelty of a frozen Rhine River.
(See bellow for additional explanations)
Close up of the barge - it contained Labor Service Unit quarters and mess; First Class Petty Officers (USN) quarters; Ships Office; Laundry; and fuel storage tanks in the hull.    
PR-34 alongside the barge @ the fuel station.