We have something called the Mariana island?
How are they relate to the US?
"Shall not be infringed" is finally having its day in a still uncorrupted court.
We have two territories in this island chain
Guam since 1898 https://en.wikipedia.org/wiki/Guam
and the Northern Marianas Islands (the subject of the article) since 1978 https://en.wikipedia.org/wiki/Northern_Mariana_Islands
The islands are home to roughly 200,000 American citizens, an important airfield, and a very useful Navy base. They also play host to over a million tourists from Australia and the Far East each year.
How are they relate to the US?"
The North Field on Tinian, located in the Mariana island chain, was the launch point for the atomic bombings on Japan during WWII.
If we put too many troops on them, they will tip over. /sarc