Marcus tears out the hardware linking him to Skynet and assists John in battling the new T-800 (Model 101) Terminator. Marcus is soon outclassed in strength and temporarily disabled until John revives him, but John is mortally wounded during the fight. Marcus jumps the T-800 when it is distracted and defeats it, while John destroys the Skynet base by rigging together several Terminator fuel cells to explode and detonates them as he, Marcus, Kyle, and Star are airlifted out. Kate attempts to save John's life, but his heart is too badly damaged. Marcus offers his own heart for transplant, sacrificing himself to save John. Recovering, John radios to other Resistance fighters that, although this battle has been won, the war is still not over.