Half-Life: Opposing Force - Chapter 1: Incoming

As the game begins, Shephard is part of the clean-up operation. After his transport aircraft is taken down by an Alien Aircraft and he is cut off from the rest of his unit, the “clean-up“ mission is abandoned and Shephard joins forces with the scattered survivors seeking escape. Before the first chapter of Half-Life: Opposing Force, a short introduction is shown. As Adrian Shephard and his fellow HECU comrades are approaching the LZ (Landing Zone 117) at the Black Mesa Research Facility, his plane (codenam