 LADEE's "Lunar Laser Communication Demonstration" (LLCD) pulsed laser system conducted a successful test on October 18, 2013, transmitting data between the spacecraft and its ground station on Earth at a distance of .This test set a downlink record of 622 megabits per second (Mbit/s) from spacecraft to ground, and an "error-free data upload rate of 20 Mbps" from ground station to spacecraft.It has also been proposed as payload for the Phobos And Deimos & Mars Environment (PADME) orbiter.