Understanding the different U.S. military branches

So I've been mulling over potentially enlisting after high school, but I'm quite confused about the differences between the U.S. military branches. Could anyone help break it down for me? Explain like I'm five, please!

Sure, I'll be happy to simplify this for you!

1. U.S. Army: This is the oldest branch and is primarily responsible for land-based operations. The Army is often the main force in any ground invasion, carrying out missions that require troops to be on the ground. They also have aircrafts and missiles, but their main focus is terrestrial.

2. U.S. Navy: As you might guess from the name, the Navy is all about sea-based operations. They're responsible for protecting the sea lanes, making sure trade can happen safely across the world's oceans. The Navy also has aircraft carriers, which are essentially floating air bases, to support air operations across the globe.

3. U.S. Air Force: The Air Force's job is to protect American interests in the sky. They're the ones operating most of the military's aircraft and focusing on aerial combat, intelligence, and surveillance missions.

4. U.S. Marine Corps: The Marines are a part of the Department of the Navy, but they're a distinct branch. They are often the first boots on the ground in conflict situations, working closely with Naval forces for support. They're often involved in high-intensity, strike-first operations.

5. U.S. Coast Guard: The Coast Guard is unique in that it falls under the Department of Homeland Security, not the Department of Defense like the other branches. Their main responsibility is to safeguard America's coasts and carry out rescue missions.

6. U.S. Space Force: The most recent branch, established in 2019, is Space Force. Its main function is to protect U.S. operations in space. They monitor ballistic missile launches, track space debris, and maintain satellites for communication purposes.

Each branch has its specific functions and they all work together to provide comprehensive protection to the U.S. Your decision on which to join would be based on where your interests lie and which branch's mission aligns with your personal goals.