1532
Following talks with the Kliper in 2004 and June 2005 , a co-operation between ESA and the Crew Space Transportation System was announced to jointly work on the Russian-designed Soyuz , a reusable spacecraft that would be available for space travel beyond LEO ( e.g. the moon or even Mars ) .
 ESA, Crew Space Transportation System, Mars
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 ESA, Crew Space Transportation System, Mars