U.S. service members embarked aboard the amphibious assault ship USS Iwo Jima, enter a CH-46E Sea Knight helicopter with Marine Medium Helicopter Squadron 774, to be transported after visiting medical and engineering sites in Bluefields, Nicaragua, Sept. 21. Service members and civilians are deployed in support of Operation Continuing Promise 2010 providing medical, dental, veterinary, engineering assistance and subject-matter exchanges to the Caribbean, Central and South America.