The State Department is being urged to declassify them, which would give the Pentagon more chance to fraternise.
So mingling with friends on social media has obvious appeal, not least because it is illegal for unrelated men and women to fraternise in person.
But nowhere is that more so than in Gulf countries, where places to fraternise in the evening are limited.
In 1945, Allied servicemen were forbidden to fraternise with the defeated Germans not exactly the relationship most were looking for when they went out of barracks.
They will leave South Korean newspapers, with their genuinely funny cartoons and advertisements for holidays in Hawaii, lying around for northerners to pick up.Diplomats aside, only a handful of South Koreans have been allowed to fraternise with the foe in the past few years.
These moves drew protests from the puritanical Wahhabi clerics and parts of the devout population, as well as reformers who point out that women are still unable to drive or fraternise with men who are not relatives.
After a light spattering of jeopardy (it rains, the paint rubs off), the barn is judged worthy of public funding and Frances is free to fraternise with a cute Russian boy, Yasha, who's come to bury his father on the island.
The move heralded a new era in which public and prisoners were finally allowed to fraternise, and regulations at the POW camps were further relaxed.
Lolita is kept in a relatively confined tank, and despite being a member of a highly social species, she is not granted the opportunity to fraternise with other whales.
Deploying his privileges like few others, and disregarding strictures not to fraternise with the "indigenous personnel", within a few weeks he had arranged his first meeting with the writer Yasunari Kawabata, one in a stream of personal encounters.
"Like boys who like to fraternise with other males, they develop a hero worship on the biggest, strongest bulls," Dame Sheldrick says.
