We already know that dogs are incredible creatures. They’re smart, and they can be trained to do so many things. In some cases, they just teach themselves.

Since they are agile and able to do things that might be very difficult for us, why not teach them!

There are dogs doing things from sniffing out illnesses and drugs to jumping out of planes to help rescue people.

Here are 50 examples of dogs who are heroes, one way or the other.