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Despite the heavy bombing , which the U . S . Central Command said targeted military command and control installations , the Iraqi regime gave no sign of quitting .
 U . S, Iraqi, the U . S . Central Command, military, the Iraqi regime, military command and control installations
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 U . S, Iraqi, the U . S . Central Command, military, the Iraqi regime, military command and control installations