1519
DARYN KAGAN , CNN CORRESPONDENT ( voice - over ) It started as a story on port security , how U . S . Navy and Coast Guard reserves are keeping ships safe from attack in Kuwait and Iraq .
 U . S, Kuwait, Iraq, U . S . Navy and Coast Guard, U . S . Navy and Coast Guard reserves, port, ships
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, Kuwait, Iraq, U . S . Navy and Coast Guard, U . S . Navy and Coast Guard reserves, port, ships