On This Day In Space: Sept. 11, 1985: International Cometary Explorer completes 1st comet flyby
On Sept. 11, 1985, the International Cometary Explorer, or "ICE" became the first spacecraft to fly by a comet.
TroibNews 
On Sept. 11, 1985, the International Cometary Explorer, or "ICE" became the first spacecraft to fly by a comet.
