9 ฤดูกาล
65 ตอน
Sworn to Secrecy: Secrets of War - Season 4 Episode 5
From mustard gas artillery shells used along the trenches in WWI to the U.S. gas stockpiles in the Pacific during WWII, to the Iraqi gassing of the Kurds, chemical warfare has long been shrouded in a veil of secrecy.
- ประเทศ : United States of America, South Korea, United Kingdom, France, Germany, Russia, Vietnam
- ประเภท : War & Politics, Documentary
- ผู้อำนวยการ :
- นักแสดง : Charlton Heston
