M441 Hornet Remote Explosive System

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HORNET Mines are a type of UNSC ordnance commonly carried aboard UNSC Prowlers. They are stealthy, plutonium-cored, nuclear devices with a nominal yield of 30 Megatons.

During the Battle of Onyx, the laid a field of HORNETs, destroying 12 and damaging four Covenant warships. This prolonged the survival of Battlegroup Stalingrad, which was apparently destroyed by the overwhelming Covenant reinforcements a few moments later.