 Complete the following phrase:  On mobilisation in 1914, the RNR consisted of 30,000 officers and men. Officers of the permanent RNR on general service quickly took up seagoing appointments in the fleet, many in command, in destroyers, submarines, auxiliary cruisers and Q-ships. Others served in larger units of the battle fleet including a large number with the West Indies Squadron who became casualties at the Battle of Coronel and later at 