Pentagon officials have struck a deal designed to save more than 70 Iridium satellites from being taken out of orbit, salvaging potential communications services for warfighters in remote parts of the globe. A senior Pentagon official said today that the Defense Department may spend as much as $72 million over the next two years on communications services offered by Iridium Satellite LLC, a new venture capital firm that has teamed with Boeing to operate the constellation. Motorola, Iridium's operator since...