Jackson

Jackson was a United States Army Ranger who took part in the mission to capture terrorist mastermind Ibrahim Bin-Khalid at his compound in Yemen. Six months after the mission, however, Jackson and his immediate family were killed when the squad's new identities were leaked to Bin-Khalid's followers.

Biography
During the Bin-Khalid operation

Six months later, immediately before Day 10, a group of Bin-Khalid's operatives led by Rashid executed Jackson, along with Colburn, Geddes, Stewart, and their families. They were searching for a strongbox that Ben Grimes had stolen from the compound the night of the mission.