Thanks to Michael Wooley for naming this week's episode! Join us live if you want to name one, too.

This week in SF history 8 December 2010. First launch of the Dragon Spacecraft, COTS Demo Flight 1. (collectspace.com)(flightglobal.com)

Spaceflight news Loss of Progress MS-04 (spacenews.com)(nasaspaceflight.com) Good reference for Russian vehicle losses since 2009 (parabolicarc.com) SpaceShipTwo (VSS Unity) completes glide back to runway. Dec 3 (spacenews.com)

Questions, comments, corrections Alan Carey via email: "The gap fillers have some RTV on them residual from the tile bonding process. The gap fillers don't bond to the tiles, but to the felt between the aluminum structure and the tiles." MIT course (mit.edu) Space Shuttle: The History of the National Space Transportation System The First 100 Missions by Dennis Jenkins (isbnplus.com) Tshirt contest (theorbitalmechanics.com/shirtcallsign) rocketbuilder.com

