Supposing you were locked in a steel box, with neither portholes to look through nor airholes to breathe from. Supposing you felt the steel box begin to move, and, of course, were unable to see where you were going. Can you imagine the sensation? Then you can guess the feelings of the men in a tank,--excepting the officer and driver, who can see ahead through their portholes,--when the monster gets under way. There are times, of course, with the bullets flying thick and fast, when all portholes, for officer, driver, and gunners, must be closed. Then we plunge ahead, taking an occasional glimpse through the special pin-point holes. Thirty tons of steel rolls along with its human freight. Suddenly, the driver rings a bell. He presses another button, and signals the driver of the right-hand track into "neutral." This disconnects the track from the engine. The tank swings around to the right. The right-hand driver gets the signal "First speed," and we are off again, at a right angle to our former direction. Now we are headed for a gentle slope across the field, and as we approach it, the tank digs her nose into the base of the hill. She crawls up. The men in the rear tip back and enjoy it hugely. If the hill is steep enough they may even find themselves lying flat on their backs or standing on their heads! But no such luck. Presently they are standing as nearly upright as it is ever possible to stand, and the tank is balancing on the top of the slope. The driver is not expert as yet, and we go over with an awful jolt and tumble forward. This is rare fun! But the instructor is not pleased. We must try it all over again. So back again to attack the hill a second time. The top is reached once more and we balance there. The driver throws out his clutch, we slip over very gently, and carefully he lets the clutch in again and down we go. The "Willie" flounders around for the fraction of a second. Then, nothing daunted, she starts off once more. We have visions of her sweeping all before her some day far behind the German lines. Three or four weeks of this sort of thing, and we are hardened to it. Our reward came at last, however. After mess one morning, when the conversation had consisted mainly of the question, "When are we going into a show?" with no answer to the question, we were called into the Major's room, where he told us, in strictest secrecy, that in about three weeks a big attack was to come off. We should go in at last!