Joaquin Perez was a junior grade security crewmember under Commander Pavel Chekov, aboard the USS Enterprise.

In 2273, he reported to the disturbance in Lieutenant Ilia's quarters, when the probe in her form (sent by V'Ger) arrived. He echoed its use of the term "carbon units". To which Doctor Leonard McCoy answered, "Humans, Ensign Perez. Us." (TOS novelization: Star Trek: The Motion Picture)

In 2278, Perez was serving aboard the USS Bozeman when it was lost in the Typhon Expanse for 89 years, eight months and 23 days.

By 2372, Lieutenant Perez was the tactical officer aboard the refitted Bozeman. (DTI novel: Watching the Clock)

The filmed version of The Motion Picture names him Perez, but the novelization identified him as "Chavez".

USS Bozeman personnel
USS Bozeman (NCC-1941)	Claudia Alisov • Morgan Bateson • Lloyd Boen • Gabriel Bush • Cohen • J. Mia Colt • Crane • Wizz Dayton • Mike Dennis • Dorthan • Ham Hamilton • Eduardo Perry • Heather Petersen • Joaquin Perez • Shelithan ch'Riin • Siemaszko • Mitch Trumbull • Andy Welch • Parvana Whitcomb • John Wolfe • Zane
USS Bozeman II (NCC-1941-A)	Morgan Bateson • Gabriel Bush • Crane • Wizz Dayton • Mike Dennis • Ham Hamilton • Eduardo Perry • Mitch Trumbull • Andy Welch

USS Enterprise (NCC-1701) security & tactical personnel
under Robert April	F.D. Reed	under Christopher Pike	Bryce • Collins • Endel • Hardin • Orloff • D. Reed • Ross • Smith • Takahara • Tuval • Valdini
under James T. Kirk (first five-year mission)	Abrams • al Auriga • al-Baslama • Alan • Ames • Anderson • Anderson's impostor • Apple • Archer • Aristeides • Arrunja • Atete • Autry • Bailey • Bardoli • Baxter • Beason • Beltre • Berengaria • Boggs • Borido • Bounds • Brennan • Brentano • Brickston • Buchert • Butterfield • Carlisle • Carlucci • Carver • Chavez • Chekov • Chevalier • Ching • Collier • Collins • Compton • Corcoran • Cordova • Creighton • Cruz • Darnell • Davison • Davoff • DeCamp • DeCastro • Devereaux • Dickerson • Digard • Doyle • Dunhill • Endercott • Esswein • Evans • Everts • Ferris • Fields • Fitzgerald • Freeman • Flynn • Franklin • Friedman • Fuller • Gabler • Gallagher • Galloway • Garrovick • Gary • Gemas • Giotto • Gomez • Grant • Hacker • Hadley • Hallie • Hanashiro • Harrison • Hasmid • Hendorff • Herring • Hevelin • Hilambo • Hixon • Hrolfson • Huff • Inciviglia • Jakobs • Jameson • Jamison • Johnson • Johnstone • Josephs • Kaplan • A. Kaplan • Kasuki • Kelly • Kellum • Lamia • Lemli • Leskanich • Leslie • Lewis • Lindenbaum • Lindsay • Ling • Lopez • Lowry • Mallory • Manning • Marple • Masaryk • Masters • Mathews • Matthews • McGaren • Montgomery • Meyers • Michaels • Mocre • Moore • Mosley • Nairobi • Namura • Ndugu • Neal • Nelson • Neon • Nguyen • Nored • O'Herlihy • O'Hyr • Olag • Olaus • O'Neill • Onorax • Ordover • Organa • Osborne • O'Shay • Oyama • Paikert • Patten • Pauli • Phillips • Ragsdale • Rainer • Rayburn • Reems • Reichert • Rivera • Rizzo • Robinson • Rowe • Sanders • Schang • Shanti • Shea • Sheckley • Shimada • Silverman • Snnanagfashtalli • Spencer • Stanger • Steib • Steinberg • Stragey • Suarez • Swensen • Tamura • Tanka • Thomas • Thorton • Timmons • Tomson • Trancas • Trucco • Tuan • Ush • Valdini • van Dreenan • Van Pelt • Vinci • Vorozh • Wein • Wheeler • Williams • Wilson • Wodsworth • Wolfman • Wood • Worsley
subsequent missions under Kirk & Spock	Aragonés • Arrunja • Anderson • Barnes • Barrasso • Bergstresser • Byrnes • Carver • Chavez • Chekov • th'Clane • Coffey • Collins • Corey • Davidson • Dobius • Emigh • Estano • Fox • Friedman • Galloway • Howard • Hrdina • Jaffe • Jagr • Kelowitz • Keth • Kinitz • Lemieux • Leno • Markson • Matlock • Mendoza • Merlino • Mosley • Mullen • Murphy • Nizhoni • Ohara • Padilla • Paek • Pearson • Perez • Pfeiffer • Phillips • Mark Publicker • Pulaski • Ralston • Ramirez • Randall • Recchi • Richardson • R'leez • Robinson • Samuelsson • Santana • Sternbach • St. John • Sweeny • Tanka • Tate • Tenzing • Tiilson • Tocchet • Trottier • Vlastikovich • Wagner • Worene • Workman
see also: administrative personnel • communications personnel • engineering personnel • medical personnel • pilots & flight control personnel • sciences personnel • senior staff • unnamed