Naval base Den Helder, with in the middle the blue N-SEA GEOSEA imo 9242431 (on charter to Royal Netherlands Navy) and HNLMS SNELLIUS imo 9271858. In the background landing ship HNLMS JOHAN DE WITT, decommisioned frigate HNLMS VAN SPEIJK F828 and a patrol vessel of the HOLLAND-class. In the foreground small tug BALGZAND Y8019, tug ZUIDERZEE A872 and commercial inland tug FENNA (built 1924, eni 03230166)