Helicopter crashed killing 2 of the 5 POB – later named as Senior Chief Aviation Warfare Systems Operator Sean P. Sullivan, 40, of St. Louis, MO, and Naval Aircrewman (Helicopter) 2nd Class Joseph P. Fitzmorris, 31, of West Monroe, LA. Â The helicopter was assigned to Helicopter Mine Countermeasure Squadron 15, based in Norfolk, Va and was involved in lifting a Royal Oman Air Force NH90 (seen here in the YouTube video the Oman Goverment apparently did not want to get out)