Many defense-related products also use lanthanide elements such as night vision goggles, rangefinders, the SPY-1 radar used in some Aegis equipped warships, and the propulsion system of "Arleigh Burke"-class destroyers all use rare earth magnets in critical capacities.
Many defense-related products also use lanthanide elements such as night vision goggles and rangefinders. The SPY-1 radar used in some Aegis equipped warships, and the hybrid propulsion system of "Arleigh Burke"-class destroyers all use rare earth magnets in critical capacities.