Crewman Ramirez was an enlisted member of Starfleet, serving aboard the USS Excalibur in the engineering section. In 2369, Ramirez was one of three crew members taken from the ship by a Borg scout ship. (NF short story: "Making a Difference")

USS Excalibur personnel
USS Excalibur (2240s)	R. Bannock
USS Excalibur (NCC-1664)	T. Haleakala-LoBrutto • Harris • J.T. Kirk • H. Ogden • Thonen • M. Walsh
USS Excalibur II	Preye
USS Excalibur (NCC-26517)	Argyle • R. Beth • Boyajian • Burgoyne 172 • M. Calhoun • M. Christiano • Howard • M. Gold • Hecht • M. Houle • Janos • Z. Kebron • M. Korsmo • Kothari • K. Kurdziel • G. La Forge • R. Lefler • Lowe • Martins • Maxwell • M. McHenry • Meyer • C. Mitchell • Morgen • W. Morrison • K. Mueller • Ramirez • W.T. Riker • B.G. Robinson • Scannel • Selar • Shastakovich • E.P. Shelby • Soleta • Somak • R. Takahashi • Torelli • T'Shanik • D. Voyskunsky • P. Watson • M. Wilkarah • Yates
USS Excalibur (NCC-26517-A)	Burgoyne 172 • M. Calhoun • Candido • Dreyfuss • Janos • Z. Kebron • R. Lefler • M. McHenry • Selar • E.P. Shelby • Soleta • T. Tobias • Xy