However, Shephard is prevented from reaching the extraction point by the enigmatic G-Man, forcing the evacuation craft to leave without him.
Consequently, Shephard departs to reach an extraction point and escape the facility. Shephard regains consciousness in a Black Mesa medical bay, tended to by the science team, learning that the Marines are being steadily beaten by the alien forces from Xen and orders have come through to pull out. However, as they are nearing their Landing Zone at Black Mesa, airborne alien creatures attack the Osprey formation, causing Shephard's Osprey to crash land. His squad discuss their deployment, somewhat irritated that they have not been told what they are being deployed for. Plot Overview Opposing Force opens with Shephard riding on a V-22 Osprey with his squad.
