Ordinary Routine. Scrubbed out Mess. Stripped down blocks of stump derrick in forenoon. Got under wasy at 1 o’clock. Went out into flow and ran Torpedoes. Rigged derricks for coaling in afternoon. Dropped anchor in Flow about 4.0 p.m. Destroyer attack in 1st dog Watch. Night defence crews closed up. Red forward, Blue aft, White in turrets. Got up hook about 6.15.p.m. and returned to anchorage. Duty Sub.

December 15th 1916