Starfleet Records. Command structure. Hierarchy: #Starfleet The chain of command refers to Starfleet, in general, with the chain beginning with the admiral. The Federation Council, and/or the President of the Federation, can be considered to be at the top of the chain in the United Federation of Planet, not the military branch. Sources: Star Trek IV: The Voyage Home; Star Trek VI: The Undiscovered Country; DS9: "Homefront", "Paradise Lost". Star Trek | Starfleet Command

Starfleet records. Ranks. Commander: Commander is a commissioned officer rank used by the service organizations of many civilizations. As a traditional naval grade in Human usage, commander was the second most senior line officer rank, falling between a lieutenant commander and a captain. In Romulan usage, it falls between sub-commander and admiral, however it would be able called commander too. Source: TNG: "Face of the Enemy". Star Trek. Live the experience. Star Trek: PICARD - Season 4 #StarT