81784
JTAGS Mission " ( U ) Receive and process in-theater , direct down-linked data from OPIR ( Overhead Persistent Infrared ) Sensors in order to disseminate warning , alerting and cueing information on tactical ballistic missiles and other events of interest throughout the theater using existing communication networks . "
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None