The Japan Aerospace Exploration Agency (JAXA) and the Russian Federal Space Agency (Roscosmos) had expressed their interest in contributing to EJSM/Laplace, although no deals had been finalized.
Japan Aerospace Exploration Agency (JAXA) dan Russian Federal Space Agency (Roscosmos) telah mengungkapkan ketertarikan mereka untuk ikut berkontribusi dalam misi ini, meskipun belum ada kesepakatan yang ditandatangani.