For Starfleet casualties in the alternate reality, please see alternate reality casualties.

Federation Starfleet personnel in the 23rd century often had to place their lives in danger during the course of their duties, and many made the ultimate sacrifice.

For non-Starfleet casualties sustained by the Federation, see Civilian casualties.

Posts

In alphabetical order by date.

USS Discovery

The following casualties served aboard the USS Discovery while it was in service (2256 –):

Date Rank Image Name Species Position Cause of Death Reference
2256
Unknown rankOperations divisionUnknown
Kowski.jpg
Kowski Human Security officer Killed by Ripper DIS: "Context Is for Kings"
CommanderOperations divisionCommander
Ellen Landry.jpg
Landry, Ellen Human Chief of security Killed by Ripper DIS: "The Butcher's Knife Cares Not for the Lamb's Cry"
2257
Lieutenant commanderSciences divisionLieutenant Commander
Airiam.jpg
Airiam Human (cyborg) Spore drive ops officer Ejected out of an airlock into space by Nhan DIS: "Project Daedalus"

Revivals

Date Rank Image Name Species Cause of Death Cause of Revival Date Death Reference Revival Reference
2257
Lieutenant commanderSciences divisionLieutenant commander
Hugh Culber 2256.jpg
Culber, Hugh Human Neck broken by Ash Tyler Resurrected by the jahSepp incarnation of May Ahearn 2257 DIS: "Despite Yourself" DIS: "Saints of Imperfection"

USS Enterprise (NCC-1701)

The following casualties served aboard the USS Enterprise while it was in service (22452285):

Captain Christopher Pike's five-year mission

Date Rank Image Name Species Position Cause of Death Reference
2257
LieutenantSciences divisionLieutenant
Evan Connolly.jpg
Evan Connolly Human Science Officer Impact from large piece of debris while in a landing pod approaching the USS Hiawatha DIS: "Brother"

Captain James T. Kirk's five-year mission

In addition to the those listed below:

See also: Mirror universe casualties
Date Rank Image Name Species Position Cause of Death Reference
2265
Unknown officer rankSciencesUnknown officer rank
Dr. Dehner (KIA 2265) Dehner, Elizabeth Human Psychiatrist Killed by esper Gary Mitchell TOS: "Where No Man Has Gone Before"
LieutenantOperationsLieutenant
Lieutenant Kelso (KIA 2265) Kelso, Lee Human Navigator Strangled by esper Gary Mitchell TOS: "Where No Man Has Gone Before"
Lieutenant commanderOperationsLieutenant commander
Commander Mitchell (KIA 2265) Mitchell, Gary Human Helmsman Killed by James T. Kirk after exposure to galactic barrier TOS: "Where No Man Has Gone Before"
2266
CrewmanUnknown divisionCrewman
Crewman Barnhart (KIA 2266) Barnhart Human Crewman Killed by an M-113 creature for sustenance TOS: "The Man Trap"
CrewmanSciencesCrewman
Crewman Darnell (KIA 2266) Darnell Human Medical assistant Killed by an M-113 creature for sustenance TOS: "The Man Trap"
CrewmanCommandCrewman
Crewman Green (KIA 2266) Green Human Security officer Killed by an M-113 creature for sustenance TOS: "The Man Trap"
CrewmanOperationsCrewman
Crewman Mathews (KIA 2266) Mathews Human Security officer Pushed over a cliff by Ruk TOS: "What Are Little Girls Made Of?"
CrewmanOperationsCrewman
Crewman Rayburn (KIA 2266) Rayburn Human Security officer Suffocated by Ruk TOS: "What Are Little Girls Made Of?"
CrewmanSciencesCrewman
Crewman Sturgeon (KIA 2266) Sturgeon Human Science officer Killed by an M-113 creature for sustenance TOS: "The Man Trap"
LieutenantCommandLieutenant
Lieutenant Tomlinson (KIA 2266) Tomlinson, Robert Human Phaser control specialist Exposed to phaser coolant TOS: "Balance of Terror"

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Lieutenant Tormolen (KIA 2266) Tormolen, Joe Human Science officer Stabbed himself, exacerbated from polywater intoxication TOS: "The Naked Time"
2267
LieutenantOperationsLieutenant
Carlisle (KIA 2267) Carlisle Human Security officer Killed by Nomad TOS: "The Changeling"
LieutenantCommandLieutenant
Lieutenant Gaetano (KIA 2267) Gaetano Human Radiation specialist Killed by a Taurus II anthropoid TOS: "The Galileo Seven"
LieutenantSciencesLieutenant
Arlene Galway (KIA 2267) Galway, Arlene Human Science officer Died of rapid aging caused by radiation TOS: "The Deadly Years"
LieutenantOperationsLieutenant
Lieutenant Grant (KIA 2267) Grant Human Security officer Stabbed with a Capellan kleegat for showing hostility TOS: "Friday's Child"
CrewmanOperationsCrewman
Crewman Hendorff (KIA 2267) Hendorff Human Security officer Poisoned by contact with a Gamma Trianguli VI pod plant TOS: "The Apple"
LieutenantCommandLieutenant
Lieutenant Jackson (KIA 2267) Jackson Human   Killed by Sylvia using "sympathetic magic" TOS: "Catspaw"
LieutenantOperationsLieutenant
Lieutenant Kaplan (KIA 2267) Kaplan Human Security officer Vaporized when struck by lightning created by Vaal TOS: "The Apple"
Lieutenant CommanderCommandLieutenant Commander
Lieutenant Commander Lang (KIA 2267) Lang Human Tactical officer Killed by Gorn soldiers on Cestus III TOS: "Arena"
LieutenantCommandLieutenant
Lieutenant Latimer (KIA 2267) Latimer Human Navigator Killed by a Taurus II anthropoid TOS: "The Galileo Seven"
LieutenantOperationsLieutenant
Mallory (KIA 2267) Mallory Human Security officer Died after stepping on an explosive mineral formation TOS: "The Apple"
LieutenantOperationsLieutenant
Marple (KIA 2267) Marple Human Security officer Killed by the Vaalians TOS: "The Apple"
EnsignOperationsEnsign
Ensign O'Herlihy (KIA 2267) O'Herlihy Human Tactical officer Killed by Gorn soldiers on Cestus III TOS: "Arena"
EnsignEnsign
O'Neill Killed by Taurus II anthropoids TOS: "The Galileo Seven"
LieutenantSciencesLieutenant
Lieutenant Tracy (KIA 2267) Tracy, Karen Human Medical technician Stabbed to death by Redjac TOS: "Wolf in the Fold"
CrewmanOperationsCrewman
Guard (KIA 2267) Kelly Human Security officer Killed by a Horta's acid TOS: "The Devil in the Dark"
LieutenantOperationsLieutenant
Guard (KIA 2267) Unidentified Human Security officer Killed by Nomad TOS: "The Changeling"
LieutenantOperationsLieutenant
Two guards (KIA 2267) Unidentified Human Security officer Killed by Nomad TOS: "The Changeling"
LieutenantOperationsLieutenant
Security guards (KIA 2267) Unidentified Human Security officer Killed by Nomad TOS: "The Changeling"
2268
CrewmanOperationsCrewman
Compton (KIA 2268) Compton Human   Died from a small wound that turned fatal due to him experiencing hyper-acceleration TOS: "Wink of an Eye"
LieutenantSciencesLieutenant
DAmato (KIA 2268) D'Amato Human Geologist Killed by Losira TOS: "That Which Survives"
EnsignOperationsEnsign
Harper (KIA 2268) Harper Human Engineer Vaporized by the M-5 computer TOS: "The Ultimate Computer"
EnsignOperationsEnsign
Rizzo (KIA 2268) Rizzo Human Security officer Died aboard the Enterprise as a result of the dikironium cloud creature's attack TOS: "Obsession"
CrewmanOperationsCrewman
Leslie Thompson (KIA 2268) Thompson, Leslie Human   Transformed into a crystalline block by Rojan; Rojan then crumbled the block, killing her TOS: "By Any Other Name"
CrewmanOperationsCrewman
John Watkins (KIA 2268) Watkins, John B. Human Technician Killed by Losira TOS: "That Which Survives"
CrewmanOperationsCrewman
John Watkins (KIA 2268) Watson Human Engineer Killed by Kryton TOS: "Elaan of Troyius"
EnsignOperationsEnsign
Wyatt (KIA 2268) Wyatt Human Transporter chief Killed by Losira TOS: "That Which Survives"
CrewmanOperationsCrewman
Guard (KIA 2268) Unidentified Human Security officer Killed by the dikironium cloud creature TOS: "Obsession"
CrewmanOperationsCrewman
Guard (KIA 2268) Unidentified Human Security officer Killed by the dikironium cloud creature TOS: "Obsession"

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Two guards (KIA 2268) Unidentified Humans Two security officers Were beamed down to Triacus; however, since the Enterprise had left the orbit of the planet, these men died TOS: "And the Children Shall Lead"
Revivals
Date Rank Image Name Species Cause of Death Cause of Revival Date Death Reference Revival Reference
2267
CrewmanCommandCrewman
Angela Martine.jpg Martine, Angela Human Killed by the gunfire of a Japanese Zero Revived by the Shore Leave Planet 2267 TOS: "Shore Leave" TOS: "Shore Leave"
Lieutenant CommanderSciencesLieutenant Commander
McCoyDeath.jpg McCoy, Leonard Human Killed by the Black Knight Revived by the Shore Leave Planet TOS: "Shore Leave" TOS: "Shore Leave"
Lieutenant commanderOperationsLieutenant Commander
Jay Jones as Scott, The Changeling.jpg Scott, Montgomery Human Killed by Nomad Revived by Nomad per James T. Kirk's request TOS: "The Changeling" TOS: "The Changeling"
2268
EnsignCommandEnsign
Chekov as William Claiborne.jpg Chekov, Pavel Human Shot by a Melkotian recreation of Morgan Earp Revived when the Melkotians' illusion ended 2268 TOS: "Spectre of the Gun" TOS: "Spectre of the Gun"
LieutenantOperationsLieutenant
Leslie dead.jpg Leslie Human Killed by the dikironium cloud creature Unknown
Lieutenant Leslie appeared to be dead in "Obsession", but reappeared in later episodes.
TOS: "Obsession" TOS: "The Immunity Syndrome"
LieutenantOperationsLieutenant
Galloway doesnt really die.jpg Galloway Human Killed by Ronald Tracey Unknown
Lieutenant Galloway died in "The Omega Glory" but reappeared in "Turnabout Intruder".
2269 TOS: "The Omega Glory" TOS: "Turnabout Intruder"
In the novelization of Star Trek: The Motion Picture, written by Gene Roddenberry, Admiral Kirk states in his forward that during his five years in command of Enterprise, a total of 96 of his crew perished. No persons were killed in The Animated Series that depicted the remainder of the five-year mission, making the on-screen Enterprise death toll stand at fifty-seven (not counting revivals, and including the deaths of Leslie and Galloway).

Following the 2270s refit

In addition to those listed below:

Date Rank Image Name Species Position Cause of Death Reference
2270s

Error: No valid link was found at the end of line 3.

Decker (MIA 2270s) Decker, Will Human Commanding officer / first officer Merged with V'Ger; listed as MIA Star Trek: The Motion Picture
LieutenantCommandLieutenant
Ilia (MIA 2270s) Ilia Deltan Navigator Replaced by V'Ger; listed as MIA Star Trek: The Motion Picture
CommanderOperationsCommander
Sonak (KIA 2270s) Sonak Vulcan Science officer Killed in a transporter accident Star Trek: The Motion Picture
CrewmanUnknown DivisionCrewman
Transporter accident victim (KIA 2270s) Unnamed Human Crewmember Killed in a transporter accident Star Trek: The Motion Picture
2285
MidshipmanOperationsMidshipman 1st class
Preston (KIA 2285) Preston, Peter Human Engineer's assistant/Cadet Received fatal burns as a result of the USS Reliant's attack Star Trek II: The Wrath of Khan
Revivals
Date Rank Image Name Species Cause of Death Cause of Revival Date Death Reference Revival Reference
2285

Error: No valid link was found at the end of line 3.

Spocks death 1.jpg Spock Human/Vulcan hybrid Sacrificed himself during a battle with Khan Noonien Singh Revived by the Project Genesis wave effect and a fal-tor-pan ritual 2285 Star Trek II: The Wrath of Khan Star Trek III: The Search for Spock

Other posts

In addition to those listed below:

Date Rank Image Name Species Position Cause of Death Reference
2256
EnsignOperations divisionEnsign
Danby Connor.jpg
Connor, Danby Human Operations officer, USS Shenzhou Killed by explosive decompression DIS: "Battle at the Binary Stars"

Error: No valid link was found at the end of line 3.

Philippa Georgiou dies.jpg
Georgiou, Philippa Human Commanding officer, USS Shenzhou Killed by T'Kuvma by stabbing DIS: "Battle at the Binary Stars"

Error: No valid link was found at the end of line 3.

Maranville, Steven Human Commanding officer, USS Yeager Killed in the Battle of the Binary Stars DIS: "Battle at the Binary Stars", "Choose Your Pain"
LieutenantOperations divisionLieutenant
Ash Tyler.jpg
Tyler, Ash Human Officer, USS Yeager Killed by Klingons and DNA harvested and spliced with Voq's DNA to create an artificial Klingon-Human hybrid through a procedure known as choH'a' so Voq could assume his identity. DIS: "Battle at the Binary Stars", "Vaulting Ambition"
Unknown rankSciences divisionUnknown
Straal.jpg
Straal Human Science officer, USS Glenn Killed when a basidiosac rupture occurred during a test flight DIS: "Context Is for Kings"
2257

Error: No valid link was found at the end of line 3.

  Garrovick Human Commanding officer,
USS Farragut
Killed by the dikironium cloud creature TOS: "Obsession"

-

rowspan="1"
2258
Vice admiralFlag officerVice admiral
Katrina Cornwell (KIA 2258) Cornwell, Katrina Human Flag officer Killed saving the Enterprise from a Section 31 torpedo DIS: "Such Sweet Sorrow, Part 2"
2250s
LieutenantSciencesLieutenant
Edward Larkin (KIA) Larkin, Edward Human Protein specialist, USS Cabot Killed after being crushed by a wave of reproducing modified tribbles ST: "The Trouble with Edward"
2266
LieutenantCommandLieutenant
Nellis (KIA 2266) Nellis, Tom Human First officer,
Antares
Killed when Charlie Evans destroyed the Antares TOS: "Charlie X"

Error: No valid link was found at the end of line 3.

Ramart (KIA 2266) Ramart Human Commanding officer,
Antares
Killed when Charlie Evans destroyed the Antares TOS: "Charlie X"
CommanderOperationsCommander
Hansen (KIA 2266) Hansen Human Commander,
Outpost 4
Killed by the Romulans during the Neutral Zone Incursion TOS: "Balance of Terror"
2267
CommodoreCommandCommodore
Decker (KIA 2266) Decker, Matt Human Commanding officer,
USS Constellation
Kamikaze maneuver of a shuttlecraft into the planet killer TOS: "The Doomsday Machine"
CommodoreCommandCommodore
  Travers Human Leader of the Cestus III colony contingent Killed by the Gorn TOS: "Arena"
2268
CommanderSciencesCommander
Carter (KIA 2268) Carter Human Chief medical officer,
USS Exeter
Died from a bacterial disease TOS: "The Omega Glory"

Error: No valid link was found at the end of line 3.

  Harris Human Commanding officer,
USS Excalibur
Died when the M-5 multitronic unit assaulted the ship TOS: "The Ultimate Computer"
2270s
CommanderSciencesCommander
Branch (KIA 2270s) Branch Human Commanding officer,
Epsilon IX station
Absorbed by V'Ger Star Trek: The Motion Picture
LieutenantSciencesLieutenant
Unidentified lieutenant (KIA 2270s) Unidentified Human Epsilon IX station Absorbed by V'Ger Star Trek: The Motion Picture
CrewmanSciencesCrewman
Unidentified technician (KIA 2270s) Unidentified Human Technician,
Epsilon IX station
Absorbed by V'Ger Star Trek: The Motion Picture
CrewmanSciencesUnknown rank
Unidentified Epsilon IX crew member (KIA 2270s) Unidentified Epsilon IX station Absorbed by V'Ger Star Trek: The Motion Picture
CrewmanUnknown rank
Unidentified technicians (KIA 2270s) Three unidentified Humans Technicians,
Epsilon IX station
Absorbed by V'Ger Star Trek: The Motion Picture
2267
|
2285
LieutenantOperationsLieutenant
McGivers (KIA) McGivers, Marla Human Historian,
Inactive
Killed on Ceti Alpha V
Reported in 2285
Star Trek II: The Wrath of Khan
2285

Error: No valid link was found at the end of line 3.

Esteban (KIA 2285) Esteban, J.T. Human Commanding officer,
USS Grissom
Killed in an attack by Commander Kruge's Klingon Bird-of-Prey Star Trek III: The Search for Spock

Error: No valid link was found at the end of line 3.

Terrell (KIA 2285) Terrell Human Commanding officer,
USS Reliant
Suicide Star Trek II: The Wrath of Khan
2293
Petty officer, 1st classOperationsPetty officer, 1st class
Burke (KIA 2293) Burke Human Yeoman
USS Enterprise-A
Killed by Valeris with a phaser on stun Star Trek VI: The Undiscovered Country
CrewmanOperationsCrewman
Samno (KIA 2293) Samno Human Yeoman
USS Enterprise-A
Killed by Valeris with a phaser on stun Star Trek VI: The Undiscovered Country
ColonelCommandColonel
West (KIA 2293) West Human Starfleet Command Fell through a window after being shot by Montgomery Scott Star Trek VI: The Undiscovered Country
Lieutenant CommanderOperationsLieutenant Commander
Unnamed (KIA 2293) Unnamed Human Navigator
USS Enterprise-B
Killed when Enterprise was caught in the Nexus Star Trek Generations
2294
EnsignUnknown divisionEnsign
  Franklin, Matt   USS Jenolan His pattern in the pattern buffer was unretrievable in 2369 after having degraded by 53 percent TNG: "Relics"

In addition to, and including, those listed above:

2217

2257

2266

2267

2268

2270s

2285

2294

Revivals

Date Rank Image Name Species Cause of Death Cause of Revival Date Death Reference Revival Reference
2293
Lieutenant commanderSciencesLieutenant Commander
Valtane (KIA 2293) Valtane, Dimitri Human Killed when Excelsior attempted to enter Klingon space Unknown
He apparently died with Tuvok, yet reappeared alive later
2293 VOY: "Flashback" Star Trek VI: The Undiscovered Country

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