Omelek Island (Marshallese: Kom̧le, pronounced broadly /kʷɘmˠlʲɘɦʲ/ or narrowly ) is part of the Kwajalein Atoll in the Republic of the Marshall Islands. It is controlled by the United States military under a long-term lease (along with ten other islands in the atoll) and is part of the Ronald Reagan Ballistic Missile Defense Test Site.