Where in the constitution is the ratification power described

Which passage in the Preamble to the US Constitution says that the federal army is responsible for the military to protect the country?

The Preamble to the US Constitution

We the people of the United States, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this Constitution for the United States of America.

Explanation:

its tr3way you already know