1. Red Sea, Yemen Arab Republic, al Aḩmadī and approaches Yale Public content 1990. 2011-12-08T21:26:32Z. 2015-10-21T15:07:30Z. United States. Defense Mapping Agency. Hydrographic/Topographic Center. The Center ; USGS Branch of Distribution, Box 25286, distributor. English. Public. Yemen (Republic), Aḥmadī, and Red Sea.