The officers on the voyage.
Commander, Emery Rice; in command of armed guard, Lieutenant Bruce R. Ware; Chief officer, Thomas Blau; First Officer, W. E. Wollaston; Second Officer, Charles W. Krieg; Third Officer, Joseph C. Lutz; Fourth Officer, Carroll D. Riley; Cadets, Fred Earl Wilcox and Theodore Forsell; Doctor, Charles Rendell; Assistant Purser, J. T. Wylie; Chief Steward, W. T. Heath; Chief Engineer, James W. Condon; First Assistant Engineer, Clarence Irwin; Second Assistant Engineer, William Hodgkiss; Third Assistant Engineer, L. R. Tinto. Six junior engineers—William Hasenfus, E. Larkin, Perry McComb, Sidney Murray, J. R. Fletcher, Lawrence Paterson, Refrigerator Engineer, H. Johnson, Electrician, E. Powers; Dock Engineer, V. Hansen.
Entries from the ship's log.
The log of the ship for that voyage contains these entries:
| Sailed from New York April 7, 1917. |
| Arrived Falmouth, England, April 18, 1917. |
| Left Falmouth, England, April 18, 1917, p. m. |
| On April 19, 5.24 a. m., fired on submarine. |
| Arrived Tilbury, London, April 21. |
| Left Tilbury, London, May 2. |
| Arrived New York, May 13. |
The Captain's report to the London office of the International Mercantile Marine is dated April 21, 1917, and says:
"I beg to report that the S. S. Mongolia under my command, while proceeding up Channel on April 19 at 5.24 a. m. encountered a submarine, presumably German, in Latitude 50·30 degrees North, Longitude 32 degrees West; 9 miles South 37 degrees East true from the Overs Light vessel.
"The weather at the time: calm to light airs, sea smooth, hazy with visibility about 3 miles; speed of the ship fifteen knots, course North 74 degrees East true, to pass close to the Royal Sovereign Light vessel.
A periscope sighted.
"The periscope was first sighted broad on the port bow, distant about one-half mile, by Chief Officer Blau in charge of the bridge watch at the time. His shout of 'submarine on the port bow' brought Lieutenant Ware and myself quickly out of the chart room on to the bridge, where we immediately saw the swirling wake left by the submarine as it submerged.