Footage of men trying to get back in canoe after it has capsized.
Canoe capsize drill. Location of events unknown.
Boats and ships. Canoe capsize drill -- practice getting back into a canoe that has overturned. Looks like a little accident: canoe overturned; man out of canoe; splashing around to get back in. Repeat. Pans on him as he goes past other people in boats. Front view of same sort of thing.