Utilitiesman 3rd Class Tomas Thompson, assigned to Construction Battalion Maintenance Unit 303, embarked aboard the amphibious assault ship USS Boxer (LHD 4), places finishing touches on a kitchen water purifier during the restoration of the Canton el Sunza school house during Continuing Promise 2008. Boxer is deployed supporting the Pacific phase of CP, an equal partnership mission between the United States, Guatemala, El Salvador and Peru.