MIL-W-89012, MILITARY SPECIFICATION: WORLD VECTOR SHORELINE (01 MAY 1988)., This specification defines the format, content, related product design and details necessary for the production of the World Vector Shoreline (WVS). The WVS is a digital data file containing the shorelines, international boundaries and country names of the world. These geographic features are required for many of the digital data bases being used to support geographic information systems and weapons systems. The WVS is a standard DMA product that has been designed for use in many different applications. Users of this product may convert the WVCS data to system specific formats.