ELI5: Explain Like I'm 5

Seacoast Defense (US)

Okay, so imagine you live in a big house near the beach. You love playing in the ocean and building sandcastles. But sometimes, bad guys might try to attack your house from the water!
That's where seacoast defense comes in. It's like having big, strong grownups there to protect your house from the bad guys.

In real life, the United States has a lot of coastline because it's surrounded by water on three sides. That means there are a lot of places where bad guys could try to attack from the sea. To keep us safe, the U.S. has forts, guns, and other defenses along the coasts. It's kind of like building a big sandcastle wall to keep the bad guys out!

These defenses were especially important a long time ago when we had wars with other countries. But even though we don't have those kinds of wars as much anymore, seacoast defense is still really important. It helps keep us safe if there's ever a danger from the sea, like from bad weather or pirates.

So when you're playing near the beach and you see a big fort or a cannon, just remember that it's part of our seacoast defense to keep us safe from the bad guys!