This one is going to be a little bit more difficult. Halo veterans will be more familiar; for others, it might take a little researching
A long, broken highway on a campaign mission,
located in the middle of the second edition.
once confronted with an underground tunnel,
lure the Banshee down the funnel.
Time the boarding, checkpoint reached,
if not, an error, and you are deceased.
Through the pipe, and into the sky,
to the top of a building is where you shall fly.
If this riddle has you starting to stifle,
the answer is disguised as a Plasma Rifle.