In 2006 a pulse of this type of beam sent a message a record 15 million miles to the MESSENGER spacecraft
... a shot 
of the Earth and the moon from 114 million miles (183 million km)... [DOC] [TLE] Laser communication in space - Wikipedia [PAR] Laser communication in space refers to the use of laser communications and 
visible light ... NASA's OPALS announced a breakthrough in space-to-ground 
laser ...