In 1984, metal worker Troy Hurtubise survived and attack by a grizzly bear. He then spent years trying to design a suit that would provide protective armour against a bear attack. Twenty years later the project evolved to the design of a human exoskeleton to be used in war.
More bear suit footage:
Iterations in the development of the bear suit:
This is the trailer for David Lynch’s 1997 cult film Project Grizzly:
The design of an exoskeleton suit to fight a war:
Testing the bear suit against gun rounds: