Hands called at 5.0 AM. Got under way about 6.0 AM and went into Floe for Rougefinding Exercise. Control Stations from
6.30 to 8.0 AM. Dropped hook again about 8.0 AM. Scrubbed decks after breakfast and then cleaned flats. Painting Lieut
Janions cabin in afternoon. Duty Sub. 

March 31st 1917