7470
The 1st Battalion , Twelfth Cavalry Regiment as well as 3/8CAV continue to operate at Fort Hood , Texas , and are now with the 3rd Brigade of the 1st Cavalry Division .
 1st Battalion, Cavalry Regiment, 1st Cavalry
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 1st Battalion, Cavalry Regiment, 1st Cavalry