Ranking just above a captain, not behind him, it's a U.S. Navy admiral with 1 star
The post-colonial Nigerian Army (NA) traces its origins to 1863 when 
British ..... officer rank just below a full General (Four stars), and immediately 
above a... [DOC] [TLE] Other Traditions of the United States Naval Services [PAR] It was not until 1818 that the U.S. Navy issued regulations on this subject, 
requiring that "an officer ...