ELI5: Explain Like I'm 5

K-1 (airship)

Imagine you have a big box that can float in the air, kind of like a hot air balloon but it looks more like a blimp. This box is called a k-1 airship. What makes this box float is something called helium. Helium is like air, except it is lighter so it can make things float. Just like when you blow up a balloon and let it go, it flies around because it has helium inside.

The k-1 airship is really big and can carry a lot of things like people, equipment, or even cargo. It has a long and skinny shape, kind of like a banana, with a pointy end at the front and a flat end at the back. There are different parts of the k-1 airship that help it stay in the air and move around.

At the top of the airship, there is a big balloon filled with helium gas. This helps the airship float in the air because helium gas is lighter than air. At the back of the airship, there are engines that can move the airship forward or backward, kind of like a big fan. There are also rudders and elevators that help the airship go up or down or turn left or right.

The k-1 airship was first used a long time ago, back in the early 1900s. It was used for things like carrying passengers or cargo, taking pictures from high up, or even spying. People really liked the airship because it could fly over long distances and didn't need a runway like an airplane. However, later on, there were some accidents and other issues with airships, so they are not used as much anymore. But the k-1 airship still remains as an important part of aviation history.