Are you sure you're not thinking of https://en.wikipedia.org/wiki/Project_Pigeon ?
They developed warheads that contained a pigeon and 3 lenses connected to the fins. The pigeons were trained to peck at the lens containing the largest image of a ship to steer it into the ship.
Yes, the pigeon thing actually sort of worked but was never put into actual use, while the cat idea (although an actual proposed solution some military STEM dork came up with) may or may not have even been tested on account of how obviously nonsensical it is.
Are you sure you're not thinking of https://en.wikipedia.org/wiki/Project_Pigeon ?
They developed warheads that contained a pigeon and 3 lenses connected to the fins. The pigeons were trained to peck at the lens containing the largest image of a ship to steer it into the ship.
Yes, the pigeon thing actually sort of worked but was never put into actual use, while the cat idea (although an actual proposed solution some military STEM dork came up with) may or may not have even been tested on account of how obviously nonsensical it is.