The AN/PSD-130 PAVE ROOK is a UNSC man portable ground sensor, used for tracking of enemy forces in cover rich environments. The PAVE ROOK is designed to pick up any troops who are generating electromagnetic energy, either through the operation of high output gear, operation of plasma weaponry, operation of high power electrical gear, electromagnets, magnetic containment of fusion reactors and other electromagnetic signals. As well as that, it can detect fluctuations in magnetic fields caused by large amounts of magnetic materials.