Japanese navy recruitment vs. American navy recruitment. American military advert vs. a Swedish one. Just for fun, a Ukrainian military ad. All links from this Reddit thread.
"A man who, in order to escape death from hunger, kills another for the purpose of eating his flesh, is guilty of murder"
Some famous cases of cannibalism at sea: 1816 The Medusa. 1821 The Essex. 1878 The Sallie N. Steelman. [pdf] 1884 The Mignonette [pdf] 1889 The Earnmoor. [pdf] 1988 Bolinao 52 incident. [story starts on page 2] 2008 Vessel not named. As a bonus here's the legal decision in the case of The Queen vs. Dudley and Stephens, who were on The Mignonette.