Regarding the naming of the Iridium rockets: Why not name them after the order in which the launched the Iridiums? So 97- 20 F would be Ir F01 r and the next to come: Ir F10 r -- Greetings and clear skies Leo Barhorst Alkmaar The Netherlands 52.65 N 4.767 E 3 m a.s.l.