Consent
of Independent Auditors
We consent to the
reference to our firm under the caption “Experts” in the Registration Statement
(Form S-3) and related Prospectuses of GHL Acquisition Corp. for the
registration of its common stock and warrants and to the incorporation by
reference therein of our report dated February 23, 2009, except for Note 2, as
to which the date is August 26, 2009, with respect to the consolidated financial
statements of Iridium Holdings LLC as of December 31, 2008 and 2007 and for each
of the three years in the period ended December 31, 2008, included in GHL
Acquisition Corp.’s Definitive Proxy Statement on Schedule 14A, filed with the
Securities and Exchange Commission on August 28, 2009.
/s/ Ernst &
Young LLP
McLean,
Virginia
September 28,
2009