279475
In addition , tents were used for billeting and also for support facilities ; an access road was built to the existing road infrastructure ; a dump for supplies , ammunition , and gasoline drums , along with a drinkable water and minimal electrical grid for communications and station lighting .
 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