124057
Early shipments of gold totaling almost 13,000 metric tons were escorted by combat cars of the 1st U.S. Cavalry Regiment to the depository .
 1st U.S. Cavalry Regiment
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 1st U.S. Cavalry Regiment