yeah i change it after i noticed what i had type but you got there first lol
to the second part of your comment the U.S. army has Broken up all of its Regiment to form the brigades which the army is now made up of.
just to be clear the Regiments are still on the books as can be seen here:
7th Cavalry Regiment
1st Squadron is the Armored Reconnaissance Squadron of the 1st Brigade, 1st Cavalry Division stationed at Fort Hood, Texas.
2nd Battalion is a combined arms battalion of the 3rd Brigade, 1st Cavalry Division stationed at Fort Hood, Texas.
3rd Squadron Deactivated 01-7-2015
4th Squadron is the Armored Reconnaissance Squadron of the 1st Brigade, 2nd Infantry Division, stationed at Camp Hovey, South Korea.
5th Squadron is the Armored Reconnaissance Squadron of the 1st Brigade, 3rd Infantry Division, stationed at Fort Stewart, Georgia.