160422-N-SO730-014 PORTSMOUTH, Va. (April 22, 2016) Capt. William P. Pennington, commanding officer of USS George H. W. Bush (CVN 77), speaks to the 32nd Under Secretary of the Navy, The Honorable Janine Davidson about the ship's capabilities during a visit April 22, 2016. GHWB is currently undergoing its 2015 Planned Incremental Availability Period. (U.S. Navy photo by Mass Communication Specialist 3rd Class Joe Boggio / Released)