In 2006 a pulse of this type of beam sent a message a record 15 million miles to the MESSENGER spacecraft
I'm surprised we haven't sent 
a mission to Mercury before; all the outer .... Planetary astronomy of a different 
kind [DOC] [TLE] Mars Exploration Rover - Academic Kids [PAR] The Mars Exploration Rover mission is part of NASA's Mars Exploration Program 
... after landing, mission funding has been extended to at least September 2006.