24260
The regiment was deactivated prior to the 1st Cavalry Division 's service in the Korean War , but its lineage was resurrected in with the creation in 1957 of the Combat Arms Regimental System , in which the battalions listed below were created .
 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 Cavalry