article_snippet.sent: At a pre-launch press conference on Sunday, SpaceX Vice President Hans Koenigsmann put the odds of a successful landing at 75 or 80 per cent.
article_snippet.sent: It's a long-term goal,' Koenigsmann said.
article_snippet.sent: Russian cosmonaut Mikhail Kornienko also will remain on board until March 2016.
article_snippet.sent: Elon Musk - recently unveiled the images of the Falcon 9 failed landing after persuasion on Twitter by the game pioneer behind Doom, John Carmack.
article_snippet.sent: Elon Musk - described the event simply as a 'rapid unscheduled disassembly'.
article_snippet.sent: Elon Musk - also is working on a heavy-lift version of the Falcon rocket, which uses 27 engines, compared to the nine currently flying.
article_snippet.sent: The Falcon Heavy is expected to make The Falcon Heavy first test flight late this year.