FIRE (Flyby of Io with Repeat Encounters) is a concept mission to Jupiter's innermost major moon Io. The mission was first presented in 2012[2] for a possible future consideration by NASA's New Frontiers program.[3]
^Cite error: The named reference FIRE 2013 was invoked but never defined (see the help page).
^Flyby of Io with Repeat Encounters: A conceptual design for a New Frontiers mission to Io. Terry-Ann Suer, Sebastiano Padovan, Jennifer L. Whitten, Ross W.K. Potter, Svetlana Shkolyar, Morgan Cable, Catherine Walker, Jamey Szalay, Charles Parker, John Cumbers, Diana Gentry, Tanya Harrison, Shantanu Naidu, Harold J. Trammell, Jason Reimuller, Charles J. Budney, Leslie L. Lowes. Advances in Space Research, Volume 60, Issue 5, 1 September 2017, Pages 1080–1100