Lieut George G Rose, Sub-Lieut P. W. Stevens RNR, Lieut G. W. Knight RNR.
This photograph is one of an album of photographs taken by Norman Lloyd-Williams while serving on HMS Mantua in 1917. The album was brought to the attention of the U-Boat Project 1914-18 by his son Walter Lloyd-Williams, Holyhead, who kindly allowed us to share it.