Launch costs

In a message dated 03/27/2001 7:37:18 PM Pacific Standard Time,
Robert.Clements@... writes:

In fact, very few Iridium satellites were launched on Delta: the
majority went on cheaper (both in case terms; & per bird deployed)
boosters like Zenit, i think Proton & definitely Long March. The

Zenith was not used.

Proton and Long March were used