It was late in 2024 that the ship was launched upon its strange voyage, and almost immediately, upon my recommendation, work was started upon the perfection of the larger ship that had been in course of construction in 2015 at the time that the loss of the Martian ship had discouraged our government in making any further attempt until the then seemingly insurmountable obstacles should have been overcome. Orthis was again my assistant, and with the means at our disposal it was a matter of less than eight months before _The Barsoom_, as she was christened, was completely overhauled and thoroughly equipped for the interplanetary voyage. The various eighth rays that would assist us in overcoming the pull of the Sun, Mercury, Venus, Earth, Mars and Jupiter were stored in carefully constructed and well protected tanks within the hull, and there was a smaller tank at the bow containing the Eighth Lunar Ray, which would permit us to pass safely within the zone of the moon’s influence without danger of being attracted to her barren surface. Messages from the original Martian ship had been received from time to time and with diminishing strength for nearly five years after it had left Mars. Its commander in his heroic fight against the pull of the sun had managed to fall within the grip of Jupiter and was, when last heard from far out in the great void between that planet and Mars. During the past four years the fate of the ship could be naught but conjecture—all that we could be certain of was that its unfortunate crew would never again return to Barsoom. Our own experimental ship had been speeding upon its lonely way now for eight months, and so accurate had Orthis’ scientific deductions proven that the most delicate instrument could detect no slightest deviation from its prescribed course. It was then that Orthis began to importune the government to permit him to set out with the new craft that was now completed. The authorities held out, however, until the latter part of 2025 when, the experimental ship having been out a year and still showing no deviation from its course, they felt reasonably assured that the success of the venture was certain and that no useless risk of human life would be involved. _The Barsoom_ required five men properly to handle it, and as had been the custom through many centuries when an undertaking of more than usual risk was to be attempted, volunteers were called for, with the result that fully half the personnel of the International Peace Fleet begged to be permitted to form the crew of five. The government finally selected their men from the great number of volunteers, with the result that once more was I the innocent cause of disappointment and chagrin to Orthis, as I was placed in command, with Orthis, two lieutenants and an ensign completing the roster.