The MRM-KE, AKA X-Rod, is a 120mm line-of-site guided munition
used by the M1 Abrams. Fired as a conventional round, it
acquires GPS position followed by mid-course updates and at more...
the peak of its trajectory, ignites the motor accelerating to
achieve maximum lethality using a kinetic energy penetrator
warhead. It is designed for effective range of up to 7.5 km.