Covenant spire

For Halo: Reach's multiplayer map, see Spire. The Spire is a Covenant emplacement, capable of projecting electromagnetic proto-shields.

Background
Multiple Spires were seen during the Covenant invasion of Reach. Covenant ground forces constructed these behemoth structures to cloak the presence of a Covenant supercarrier. One of these Spires were disabled and destroyed in a UNSC counter-offensive operation.