The Mars Atmosphere and Volatile EvolutioN (MAVEN) mission launches Monday. You may recall that NASA invited anyone and everyone to submit their name, a message, a poem, or whatever else they wanted, to be included on a DVD that would be sent to Mars with the spacecraft.
I sent in mine. Here's the disc, attached to MAVEN as it was being prepped for launch:
MAVEN’s launch window opens on Monday, November 18, 2013, at 1:28 p.m. Eastern Standard Time (EST). NASA TV coverage of the launch will begin at 11 a.m. EST. Live launch coverage will be carried on all NASA Television channels.