Troops march past Royals & Churchill in London + troops in countryside, passing Etonians.
London at start of World War One.
Troops marching past Buckingham Palace. Troops marching down city street, some appear to be Australian or New Zealanders. LS Royal family on dais, King George V salutes parade. Closer shot of dais, Winston Churchill stands in front, chatting with officers. More shots parade passing Buckingham Palace, including cavalry, horse drawn gun carriages and infantry. Pan from parade to soldiers watching parade on stationary double-decker buses, pan further to crowds of civilians watching. LS King, Queen Mary and other members of Royal Family getting onto dais.
Change of location - title suggests it may be Aldershot, Hampshire*.
LS troops marching down country lane. Car arriving outside building, troops stand to attention in foreground. Man in top hat and beard (possibly King George V) inspects troops, civilians watch in foreground. Military marching band leads soldiers past crowd. Amongst civilians watching are many youths in distinctive top hat and tails of Eton College. Soldiers come to stop in front of crowd of Etonians. Panning shot car arriving. More shots soldiers marching. MS cavalry passing.
* presence of Etonians in this sequence suggest that location could also be Eton, Berkshire.