Christina Velasquez was a 23rd century Human female. By the late 2250s, Velasquez was a lieutenant serving in Starfleet, assigned as chief medical officer aboard the USS Constitution.

In 2257, Velasquez joined the Constitution's senior staff in a small gathering in the ship's lounge as they welcomed aboard new helmsman and second officer, James T. Kirk. A short time later, Velasquez spoke to Kirk about Chief of Security Jack Gaynor following an altercation in the rec room. (TOS - My Brother's Keeper novel: Constitution)

Velasquez remained aboard the Constitution for some time after Lieutenant Kirk had departed from the ship. (TOS - My Brother's Keeper novel: Enterprise)


USS Constitution personnel
USS Constitution (22nd century) La Forge UFP seal Constitution cmd insignia
USS Constitution (prototype) AugenthalerBanksBartonBorrikCarvajalChafinFerrisJ. GaynorHerzogA. HirotaA. JankowskiW.M. JefferiesJ.T. KirkLidellR. LikinsLivingstoneD. LynchMasefieldL.H. McCoyMedinaG. MitchellParkPolcovichRawitzerRebouletTomberlinC. VelasquezP. WaterstonR. WesleyWootenZuletaunnamed personnel
USS Constitution (Galaxy-class) J. van OsterlichSolackT. SogaB. Spencer