Guest:  Dr. Peter Hague;  Topics, Dr. Hague's work and paper, "A Metric of Solar System Development", the economic evaluation of space missions and rockets via the metric analysis proposed by our guest plus related topics.

Guests: Randa and Rod Milliron, Interorbital Systems. Topics: The successful IOS launch March 29, 2014 & Interorbital Systems updates. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, http://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

Guests: Gary Moir and Don Harvey. Topics: Apollo 13, Lunar Module Descent Engine (LMDE), Apollo history. As this week celebrates the 40th anniversary of Apollo 13, our guests Gary Moir and Don Harvey talked about their Apollo and Apollo 13 experiences, the Apollo space program, and space policy and programs today. In our first segment, Gary started the discussion with a look back on the Apollo program and Apollo13. He talked about what it was like being called out of a USC class and flown to Houston to work the Apollo 13 propulsion problem.