Superintend filling of sandbags and cutting of brushwood.
Watch for signals from section officer.
Take place of sergeant in the event of him becoming a casualty.
No. 1 Firer.
Will personally clean and look after his gun.
Carry tripod into action, place it in position and assist No. 2 in mounting.
Repeat all orders received.
Observe his own fire.
No. 2.
Assists No. 1 at the gun, carries it into action and mounts it with the assistance of No. 1.