There is a lot of travel in Halo: Reach. In many of the missions, you travel from one destination to another, fighting small skirmishes on the way. This perfectly suits the narrative that Reach ...

If two of your teammates go into a zone that's labelled "complete the mission," your ... including remakes of Halo 3: ODST's Alpha Site and Security Zone, as well as Halo: Reach's Courtyard.