I think I can believe most but that part is really weird:
> For protection against enemy divers, dolphins will swim up to the infiltrator, bump into them and place a buoy device on their back or a limb using their mouth. The buoy then drags the outed diver to the surface for easy capture. When trained sea lions perform the same maneuver, they use a kind of handcuff with their mouths to attach the buoy
Imagine if we did this on land: monkeys or dogs handcuffing or tasing people! Surely they wouldn't be deployed against civilians and I know there have been exotic animals travelling with military (like bears) but training animals to fight humans with TOOLS looks incredibly hard.
We might never know what is currently in use, but I'm convinced that any wild and wacky idea has been tried by somebody. Some fun ones off the top of my head:
Olga answered that the murder of the messengers sent to Kiev, as well as the events of the feast night, had been enough for her. She then asked them for a small request: "Give me three pigeons...and three sparrows from each house."[15] The Drevlians rejoiced at the prospect of the siege ending for so small a price, and did as she asked.
Olga then instructed her army to attach a piece of sulphur bound with small pieces of cloth to each bird. At nightfall, Olga told her soldiers to set the pieces aflame and release the birds. They returned to their nests within the city, which subsequently set the city ablaze.
If memory serves, the story goes that the soviets trained their dogs with soviet tanks - so when they released the dogs into battle, they turned around and ran for their own tanks.
It wasn't so much about the design of the tank as I recall. Instead it was about one side using diesel tanks, with the other side using gasoline in their tanks. The dogs turned out to be trained on the smell of the fuel, which caused them to be attracted to the wrong vehicles.
I mean, the essence of the Cold War was each side trying to find any advantage they could, while pretending everything they tried worked.
Maybe the dolphins don't work well, maybe the enemy knows it, maybe they don't. Maybe the risk it works dissuades them from trying. Maybe the anti-dolphin countermeasures they carry are cumbersome and lead to their discovery. Maybe the dolphins work for once; I'm sure not every trial failed.
When you're throwing unlimited piles of other people's money at a problem, why not try some long shots?
