Photographed in Portsmouth Dockyard on 31 July 2010 on one of the Navy Day, are the tugs Sheepdog, Indulgent and Independent.
Sheepdog is a Dog Class General Harbour Tug built for PAS and delivered in 1969 and now operated by Serco Denholm
GRT: 152
Dimensions: 29 m long x 8m beam
RMAS...