Halo 2 Legendary: Beat the boarders, Cairo Station, first landing bay
This tactic can make getting past this section quicker on legendary. Run up to the doorway and simply hose down the Covenant with continuous fire from dual plasma rifles. This kills most of the grunts (especially when they're still in the boarding tube) and knocks out the elites' shields so your marines can finish them off. Duck back through the doorway whenever your shields get too low or a grenade comes your way. After the last wave, you'll probably have a few elites left, but you can deal with them the normal way. As a bonus, you have ALL the grenades at your disposal. [by Eric Hartwell]
Also, see Cairo Station Legendary Walkthrough for other hints for this level, and Halo 2 Legendary Tactics & Walkthrough for general Legendary hints.
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