In the US Army, Air Force and Marine Corps, a commissioned officer superior to a captain and inferior to a colonel. The equivalent rank in the US Navy is Lieutenant Commander[?]. The insignia for all four positions is a gold oak leaf.
... Province in East Siberia, Russia. The European names derived from misinterpretation of a Manchu name "sahaliyan ula angga hada" (peak of the mouth of Amur River). ...