"Well, old top, I'm more nervous to-night than I ever was in the air; it's a jolly true fact, I am," said the British flier, who was standing by my side. "Up there you can see them coming, but out here you just stand with your eyes closed, and wait." He was a captain and an "ace." After convalescing from a wound sufficiently to be about, he had been sent to America to serve as an instructor in one of the new aviation camps. He was returning now to re-enter the service at the front. And it was a nerve-racking experience to wait out the night with its hidden but sure dangers. I turned in at eleven, fully dressed, and in spite of the menace that charged the very air was soon asleep. It seemed like ten minutes, or a flash,--it really was six hours,--when "Boom!" and I was awake. I sat up in bed, and tried to get my bearings. In a flash I remembered that I was at sea. Then I recalled the falling of a great stack of chairs on the deck just above our stateroom a few nights before, and was reassured. But "Boom! Boom! Boom!" three times in quick succession our six-inch guns spoke, shaking the ship from bow to stem. Before the third discharge had sounded I was in the middle of the floor. There I met my cabin partner, the premier aviator of the American navy. We exchanged no lengthy felicitations, but jumped into our life-preservers and hurried on deck. Eight times the guns were in action in that first attack. What the results were we never learned; ships' officers are reticent, and gun-crews are not allowed to speak. On four different occasions, the last time within thirty miles of the Mersey River, we were attacked by submarines. Later, in London, I learned that ours had been one of the most eventful trips of the war--that did not end disastrously. I know now exactly what a "finger periscope" looks like at a distance of three hundred yards; one glimpse is quite enough! And at least one submarine that interviewed us went down after its interview deeper than it had ever gone before. After the first attack, unless we happened to be on deck when an action began, we were kept below until the disturbance was over. There was little chance to observe the manoeuvres of the enemy, anyhow; he was elusive and kept discreetly under cover. It was not until several hours after the first attack that our convoy appeared; until within the danger zone we had sped on our way alone, trusting to our own engines and the skill of our captain. Then the destroyers finally picked us up, three of them; we saw the Stars and Stripes flying from their signal-masts. It was a feast to our anxious eyes. Like frisky young horses these chargers of the sea cavorted about us. The sight of them brought a comforting sense of security.