Jenkins was the sonar technician of the U.S.S. Massachussetts submarine during Day 9. At around 8:57pm, Captain McColl received a fire order against the Shenyang. After confirming it with his XO Cohenno, and his Officer on the Deck Pham, he order his men to prepare torpedoes. McColl then asked Jenkins for the bearings of the Shenyang. Jenkins told him what were the coordinates, and they fired two torpedoes at the Chinese ship. Unbeknownst to them, the fire order had been sent by terrorist Cheng Zhi using the Defense override module.