"Who Needs Them?" achievement bugged (PC)

The achievement “Who Needs Them?” does not unlock in the PC version of the game. This seems to been an issue since 2015 according to this thread (https://www.halowaypoint.com/en-us/forums/85d779d52cfd46918b4f8b638f2e3c7b/topics/who-needs-them-achievement-glitched/4838d771-bf4c-4ea1-92ec-a46bdc9caa9f/posts?page=3)

Who Needs Them?
Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.

Make sure and file a bug report about this on the Halo Support site: https://aka.ms/HaloSupport