Main Page | See live article | Alphabetical index During World War II, Operation Catchpole was the Americann invasion of Eniwetok Atoll, the northernmost of the Marshall Islands, on 16 February, 1944. The island was fully secured by 23 February. Eniwetok atoll provided a forward base for the U.S. Navy for its later operations. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.