FORTH CREW REQUIRED RESOURCES THIRD RUSSIAN VISITING CREW MARCO POLO PROGRAMM SOUTH-AFRICAN PROGRAM IMAGES VIDEO . ... EXPEDITION FOUR (ISS-4) . MAJOR EXPEDITION TASKS . Launch of ISS-4 crew on Space Shuttle mission UF1; . Operational support for docking/undocking of spacecraft Progress M1-7, Progress M1-8 and Space Shuttle missions 8A, UF2; . Unloading Progress M1-8 and Space Shuttle; . ... Handover to ISS-5 and return of ISS-4 crew to Earth on Space Shuttle mission UF2. ...