A Group of Russian Officers during their training in Newmarket.
Item title reads: "Newmarket - 500 Russian Officers - have completed their training and left to join Yudenitch's victorious Army"
LS Russian officer firing gas from cylinder. LS Group of soldiers fitting gas masks. GV Line of men lying on ground firing rifles and machine guns. CU. Machine-gunner.
N.B. Presumably these are White Russian officers who will return to fight in the Civil War against the Red Army.