USS Pandemonium being built for Biological, Chemical training. Naval Training Bulletin December 1956 pp 9-11. HathiTrust Link
Note the students training:
Page 10: July 1955 – – Students practice Biological and chemical warfare countermeasures on deckhouse.
PAGE 10: Lower right Construction work is suspended temporarily for class drills.
pAGE 11: September 1956 – – A class hoses down the main deck aft. The 40 mm and K guns have just been acquired.
Naval Training Bulletin December 1956, pg. 9
Disaster Area 
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