The USA has invited Israel to fly an astronaut aboard a Space Shuttle mission as part of a joint space agreement between the USA and Israel. Russia has also invited South Africa to fly an astronaut on a Soyuz TM visiting mission to the Mir 1 space station. South Korea plans to fly a journalist to the Mir and Germany has booked a third flight of a German astronaut to the orbital space base, in December 1996.
Source: Flight International