Numbers of British Volunteers.
Enlisted In London & reached Finland. 227.
Enlisted In Canada 4
Enlisted in Lapua 13
Anti-Aircraft Technicians 16
RAF Ground Crew 16
Friends' ambulance Unit 56
First Aid Nursing Yeomanry 19
London fir eVolunteers 8
Volunteers Unable to leave UK 186.

It was called sisu because Captain Nordlund , assistant to Finnish Legation in Stockhlom needed a cover name for the detachment. He choose Osasto Sisu (the Tough Detachment) as sisu was then an internationaly known word known as a symbol of Finnish toughness and strength...and because foreigners could pronounce it!

On March 27th 1940 the Osasto Sisu had on strength,
volunteers from 22 nations (and a further three Stateless men).
Total strength 717
No 1 Company 155
Hungarian Company 341
British Company 158
Cadre personnel 24
sick/on leave 39.

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