Navy Mark IV
Have you ever seen a diver exploring the ocean? They wear special gear to help them breathe underwater and move around. The Navy Mark IV is a type of gear that divers in the Navy use when they go into the water. It is like a big helmet that covers their whole head, and it has a clear window in the front so they can see where they are going.
Inside the helmet, there is a tube for the diver to breathe through, and there are also microphones and speakers so they can talk to other people outside of the water. The Mark IV also has a way for the divers to communicate with each other underwater, so they can work together and be safe while they explore.
Overall, the Navy Mark IV is a special type of diving gear that helps Navy divers explore the ocean safely while communicating with each other and people on land.
Inside the helmet, there is a tube for the diver to breathe through, and there are also microphones and speakers so they can talk to other people outside of the water. The Mark IV also has a way for the divers to communicate with each other underwater, so they can work together and be safe while they explore.
Overall, the Navy Mark IV is a special type of diving gear that helps Navy divers explore the ocean safely while communicating with each other and people on land.