Announcements and speculations following the February 2004 press conference suggested a development budget of (about ). In looking at costs for human space travel it was clear that the 10 billion rubles figure was a rather low estimate. In May 2005 The Guardian reported that costs were estimated to be roughly (for development and construction of Kliper until 2015) of which the bulk of was speculated to come from Europe. Different sources in 2005 have reported that the money needed for the program would be (about ) and on December 12, 2005 an article stated it would be (solely in relation to development costs).