A construction battalion, part of the United States Navy responsible for building, bulldozing, etc
{i} member of the Civil Engineer Corps of the United States Navy that builds naval harbor facilities and naval aviation bases in combat zones
a member of a part of the US Navy that builds landing areas for aircraft and other structures that are needed in places where there is fighting. The official name of this unit is the 'Construction Battalion', and the word Seabee comes from the first letters of this name