Lonchakov was originally selected to be a Flight Engineer on Expedition 19 .
Lonchakov was originally was transferred to the Expedition 18 crew as a Flight Engineer and Soyuz Commander , after Salizhan Sharipov was removed from the crew .
Lonchakov was originally selected to be a Flight Engineer on Expedition 19 , but was transferred to the Expedition 18 crew as a Flight Engineer and Soyuz Commander , after Salizhan Sharipov was removed from the crew .