Don Markstein's Toonopedia: Private Snafu
Photo and history of the animated character created for several cartoon shorts which were shown to American soldiers during WWII.
www.toonopedia.com/snafu.htm
Internet Archive: Details: Private SNAFU: Spies
1943 cartoon in which Private Snafu, while drunk, reveals military secrets that allow the enemy to torpedo his ship.
www.archive.org/details/private_snafu_spies
Wikipedia: Private Snafu
Hyperlinked history of the animated character who was created by Frank Capra and several shorts written by Theodore "Dr. Seuss" Geisel, and animated by Chuck Jones, Friz Freling, Bob Clampett, and others.
en.wikipedia.org/wiki/Private_Snafu