Capt. Ryan Elizabeth Alvis said in a statement that the CH-53E helicopter came down hard during a training exercise around 9 p.m. Wednesday.
Alvis said the name of the dead Marine will not be released for 24 hours.
Alvis said a number of the injured were taken to the Naval Hospital Camp Lejeune. Others were taken to Onslow Memorial Hospital in Jacksonville and one was sent to Vidant Medical Center in Greenville.
Alvis said the landing is being investigated. No other information was immediately available.