Animal Experimentation

The horrific testing, conducted in secret and dubbed Operation Cauldron, took place offshore on a ship near the Isle of Lewis. Over the course of several months, dozens of terrified monkeys and thousands of guinea pigs were subjected to “germ bombs” containing bubonic plague and other deadly diseases, with many of the animals dying after a few days.

The project was part of the U.K. military’s effort to develop biological weapons that could be used on real people in a potental war against the Soviets. Needless to say, the Ministry of Defence was reluctant to release the incredibly disturbing 47-minute film documenting the experiments: