Acknowledgments The authors would like to acknowledge mander Stephen Littfin, United States Naval Reserve, for his invaluable help with the naval aspects of The Ice Limit. Our deep gratitude also goes out to Michael Tusiani and Captain Emilio Fernandez Sierra, who corrected various tanker-related elements of the manuscript. We would also like to thank Tim Tiernan for his advice on metallurgy and physics, the meteorite hunter Charlie Snell of Santa Fe for information on how meteorite hunters actually operate, and Frank Ryle, senior structural engineer at Ove Arup & Partners. We also want to express our appreciation to var
