Retired Marine Corps Gen. Anthony Zinni, Chairman of the Board at BAE Systems, speaks to those gathered at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Photo Credit: (NASA/Paul E. Alers)

Retired Marine Corps Gen. Anthony Zinni, Chairman of the Board at BAE Systems, speaks to those gathered at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Photo Credit: (NASA/Paul E. Alers)

Retired Marine Corps Gen. Anthony Zinni, Chairman of the Board at BAE Systems, speaks to those gathered at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Photo Credit: (NASA/Paul E. Alers)

Retired Marine Corps Gen. Anthony Zinni, Chairman of the Board at BAE Systems, speaks to those gathered at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Photo Credit: (NASA/Paul E. Alers)

Retired Marine Corps Gen. Anthony Zinni, Chairman of the Board at BAE Systems, speaks to those gathered at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Photo Credit: (NASA/Paul E. Alers)

Retired Marine Corps Gen. Anthony Zinni, Chairman of the Board at BAE Systems, makes a point while speaking at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Photo Credit: (NASA/Paul E. Alers)