He disappears after an event in the first half of the game and is presumed dead until another encounter with him .
Nikolai meets Jill as one of the few surviving operatives from the Delta platoon , along with Carlos and Mikhail .
Carlos disappears after an event in the first half of the game and is presumed dead until another encounter with Carlos .
Nikolai meets Jill as one of the few surviving operatives from the Delta platoon , along with Carlos and Mikhail .