42996
He was later assigned to S.H.I.E.L.D. 's Weapon X program in the original Gulf War .
 S.H.I.E.L.D.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 S.H.I.E.L.D.