American soldiers show off their show jumping skills.
Full title reads: "Skilful Horsemen - US Army Riders take the jumps at San Diego"
San Diego, California, United States of America (USA).
LS an American Army officers talks to a group of soldiers as they stand by their horses. Various shots (including slow motion) of them doing skilful horse jumping over a series of fences. Possibly an American show jumping or equestrian team.
N.B. Item found in Unidentified Gazettes reel.