Home Slickdeals National Geographic: Chain of Command: Season 1 (Digital HD) $4.99 @ Amazon Slickdeals National Geographic: Chain of Command: Season 1 (Digital HD) $4.99 @ Amazon By ARCOM - 22 May 2019 116 0 SHARE Facebook Twitter Go to the deal page: National Geographic: Chain of Command: Season 1 (Digital HD) $4.99 @ Amazon