Phil Waterston was a Human Starfleet captain in the 2260s, assigned as commanding officer of the Constitution-class starship USS Constitution.

In 2268, Captain Waterston was called to attend a secret meeting along with Robert Wesley, Aaron Stone, Nick Silver, and José Mendez, by Captain Kirk to discuss the activities of Section 31. (TOS - Section 31 novel: Cloak)

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