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one concern these men have in the waterways of iraq is the threat of an ambush , so there are five weapon stations on the special operations craft .
 iraq, these men, five weapon stations on the special operations craft, the special operations craft, the waterways of iraq, weapon
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:
 iraq, these men, five weapon stations on the special operations craft, the special operations craft, the waterways of iraq, weapon