Queen Mary arrives at event to review troops.
Queen Mary inspects troops.
Location of events unknown / unclear.
MS as Queen Mary arrives; getting out of car along with lady-in-waiting. The Queen meets some ladies; and a man walks along with her.
CU side view of Queen Mary shaking hands with a series of people who are out of the frame to the right; the man stands beside her and (apparently) introduces her to each person. MS Queen; etc. walking along towards camera.
MS Queen's car and another car driving past a cheering crowd.