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Half-Life: Opposing Force Hints
I've gotten past the electrified Osprey, but now where do I go?
1 of 6: The military radio that you need to find will give you a clue.
2 of 6: Find it and use it. Listen to the dispatch.
3 of 6: You need to make your way to where the military is pulling out the stakes and abandoning the Black Mesa Complex.
4 of 6: The underground transit system is about the only way you can get there.
5 of 6: Hence, you need to find your way down to the transit system.
6 of 6: This means that you must climb down the nearby sewer shaft, through the underlying piping system and into the internals of the Black Mesa Research Facilities. Hopefully your path will intersect with the underground transit system.
