The Naval Aircrew Systems program office (PMA-202) is fielding new headgear, the Head Gear Unit Number 98/Personal Use (HGU-98P) cranial that improves both head and hearing protection for fleet Marine Corps aviation maintainers. Pictured are two aviation maintainers at Marine Corps Air Station Miramar, Calif. using the HGU-98P. From left are the HGU-98 X5 and the HGU-98 X4. (U.S. Navy Photo)