UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 4, 2011

Iridium Communications Inc.

(Exact name of registrant as specified in its charter)

1750 Tysons Boulevard

Suite 1400

McLean, VA 22102

(703) 287-7400

(Registrant’s telephone number, Including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Item 5.07. Submission of Matters to a Vote of Security Holders.

(a) The Annual Meeting of Stockholders of Iridium Communications Inc. was held on May 4, 2011 in McLean, Virginia. Of the 70,253,601 shares outstanding as of the record date, 58,889,320 shares (approximately 83.8%) were present or represented by proxy at the meeting.

At the Annual Meeting of Stockholders, our stockholders: (i) approved the election of Robert H. Niehaus, J. Darrel Barros, Scott L. Bok, Thomas C. Canfield, Brigadier Gen. Peter M. Dawkins (Ret.), Matthew J. Desch, Alvin B. Krongard, Terry L. Jones, Steven B. Pfeiffer and Parker W. Rush; (ii) approved the non-binding advisory resolution regarding executive compensation; (iii) cast the highest number of votes for voting on an annual basis with regard to the non-binding advisory resolution regarding the frequency of the non-binding vote on executive compensation; and (iv) approved the ratification of the appointment of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2011.

(b) The final results of the voting on the matters submitted to the stockholders are as follows:

1. To elect ten directors to serve until the 2012 Annual Meeting of Stockholders or until their successors are duly elected and qualified.

2. To approve the non-binding advisory resolution regarding executive compensation.

3. To approve the non-binding advisory resolution regarding the frequency of the non-binding vote on executive compensation.

4. To ratify the selection by the Board of Directors of Ernst & Young LLP as our independent registered public accounting firm for our fiscal year ending December 31, 2011.

(d) The Board of Directors has decided to include a stockholder vote on executive compensation in its proxy materials every year.

Item 7.01. Regulation FD Disclosure.

On May 4, 2011, we issued a press release announcing the appointment of Thomas D. Hickey as our Chief Legal Officer and Secretary. The text of the press release is included as an exhibit to this Form 8-K.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.