Cycle patrol in advance formation

Glass plate negative showing a Cycle patrol conducting tactical training, Supervised by Col O'Connell, Army School of Instruction, Curragh camp, in conjunction with capt Fulham.Note the "Vickers Steel Helmets" the soldiers are wearing and Lee Enfield rifles attached to their Bicycles. Each soldier is evenly spaced and providing security to both sides of the road.Taken at the Curragh plains on 13th February 1928