The U.S. Navy balloon A-5598 was an American naval free balloon which went off-course and its crew of three were recorded missing for several weeks.[1][2]
- ^ Steele, Brogan, ed. (2010), From the Jaws of Death: Extreme True Adventures of Man vs. Nature, St. Martin's Publishing Group, ISBN 9781429950114
- ^ The American Review of Reviews Volume 63 (February, 1921) pp135-139
- ^ "Library of Congress". catalog.loc.gov.