Meet the Night Witches, the daring female pilots who bombed Nazis by night!
The all-female squadron from Russia was made up of some of the most successful bomber pilots of World War Two.
They flew more than 30,000 bombing raids, and dropped 23,000 tons of munitions on the Nazis during the war.
What's more, they did it all in hand-me-down planes.
Watch the video above for more on their incredible story.