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"Spheres of War" was a 34-page TOS comic strip. It was the 35th weekly story arc in the UK comic strips series, published in 17 installments in Valiant and TV21 in 1973. In this story, the crew of the USS Enterprise battled a fleet of D7-class Klingon battlecruisers while trying to rescue the son of a planetary ruler.


Teaser, 24 March 1973
Morkolians had kidnapped the son of Sektrak, ruler of the planet Thark, hoping to force his surrender in a space war. Because Morkol had the backing of the Klingon Empire, Captain Kirk took the Enterprise into action on Sektrak's side…


While passing through space, the USS Enterprise is snared by the planet Thark's planetary defense system, a huge mass of guidance spheroids that clump onto deflector shields, encase a whole starship and override its propulsion systems. The Enterprise is released after entering orbit, then hailed by the insectoid Sektrak, lord of Thark. Sektrak asks for help in a war against neighboring planet Morkol, which had been taken over by Klingons. Morkolians also held Sektrak's son hostage. Seeking to outmaneuver the Klingons, Kirk agrees to bring Sektrak along and attempt a rescue.

En route, the Enterprise engages and destroys a Klingon guardship, but gets damaged. As repairs begin, Kirk and Spock use thought-implantation equipment to saturate their minds with Klingon language and culture so that they can infiltrate Morkol disguised as Klingons. They steal uniforms from two sentries in the suburbs, then proceed into the city.

Sektrak contacts his son Aarkan via telepathy, then relays the prison cell's location to Kirk and Spock. Knowing that rescue is imminent, Aarkan breaks out of his cell. Unfortunately, when he runs into the disguised Kirk and Spock, Aarkan thinks they are Klingons and eludes them. Kirk and Spock fight some security guards, then join forces with members of a resistance movement who also sneaked into the prison to save Aarkan. In the meantime, Aarkan has been recaptured and is readied for execution. The rescuers knock out the firing squad members, take their place, and manage to free Aarkan, but the effort is caught on live television and alerts more guards. The rescuers escape with the aid of gas grenades, and then their compatriots start broadcasting fake news of Tharkian attacks on nearby cities.

In the resulting confusion, Kirk, Spock and Aarkan retreat to a spaceport and launch a rocketship into space. Meanwhile, Nyota Uhura has intercepted news that a Klingon fleet is heading for Thark. The Enterprise beams Sektrak aboard the rocketship, then intercepts the Klingon fleet. Montgomery Scott fires a salvo of missiles at the D7-class battlecruisers, then releases a trio of shuttlecraft to act as diversionary targets. Scott is able to disable one cruiser, but the rest of the fleet closes in for the kill.

The rocketship lands at the Tharkian capital, where Sektrak and Aarkan hastily deploy Thark's defensive spheres toward the Klingon ships. Klingon sensors go haywire, and the Klingon admiral responds by firing a full spread at the approaching targets. The spheres detonate, producing a massive feedback explosion that destroys the enemy fleet.

Meanwhile, resistance fighters have overrun their puppet government, and Klingon forces begin withdrawing from Morkol. Kirk proposes to a grateful Sektrak that his planet should join the Federation.



AarkanChristine ChapelPavel ChekovJames T. KirkLeonard McCoyOograshPartekMontgomery ScottSektrakSpockHikaru SuluNyota Uhuraunnamed Klingonsunnamed Morkoliansunnamed USS Enterprise personnel (recreation room officers, helmsman, transporter chief)
Referenced only

Starships and vehicles

unnamed class F shuttlecraftUSS Enterprise (Constitution-class heavy cruiser) • groundcarKlingon guardshipMorkolian rocketshiptankTharkian starshipunnamed D7 class starships


Morkol (MolMorkolian capitalFareekTharuzzaTarkaz) • Thark
Referenced only

Races and cultures


States and organizations

FederationFederation ControlKlingon EmpireTharkian space fleet

Science and classification

airlockcommunicationscommunicatordeflector shieldengineenvironmental suitforce fieldgeneratorgrenadeguidance spheroidimpulse generatorinterceptor rocketKlingon disruptorlibrary computerlong-range scannermind-probe equipmentmissilephaserprobe rocketpulsator jammerriflesonic scannerstabilizersub-cerebral conditionerswordtele-spheretelevisionthought-implantation equipmentthrustertransporterturboliftuniversal translatorviewscreen

Ranks and titles

acting captainadmiralcaptaincolonelcommandergovernorguardhelmsmanofficerpilotpresidentsaboteursentryslave

Other references

airbasearmaments controlassignment patchatmospherebeambrainbridgecapital citycaptain's logcaptain's log, USS Enterprise, 2267citycommand domeconstellationdress uniformearringexecutionFederation Starfleet ranks (2260s)filmfiring squadfoxfuelgovernmentguardshiphelmhelmethornethourinsectoidKlingon languageKlingon uniformlogicmetalmeteoritemeteorite stormminutepigplanetplantprison cellraces and culturesrankresistance movementrevolutionring systemsecondshuttlebayspacecraftspaceportstarStarfleet ranksStarfleet uniform (2265-2270)static orbittelepathythree-dimensional chesstransporter roomtreeVulcan nerve pinchwaryear


Related media

Kirk became involved in interplanetary wars in:

Klingon occupations in:

Kirk and Spock vs. firing squads in:

Kirk rescued hostages in:




UK comic strips
Weekly story arcs "Life Form Nonexistent" • "The Crucial Element" • "Beware the Beast" • "The Third Party" • "The Children of Stai" • "Skin Deep" • "The Eagles Have Landed" • "Spectre of the Zond" • "Nor Any Drop to Drink" • "Menace of the Moloth" • "The Klingon Ultimatum" • "The Marshall Plan" • "Mutiny on the Dorado" • "The Ageless One" • "Thorpex" • "Under the Sea" • "Revolt on Dak-Alpha" • "Where Giants Tread" • "I, Emperor" • "Slaves of the Frogmen" • "Key Witness" • "Nova-Thirteen" • "Prison Break" • "Vibrations in Time" • "The Aging World" • "By Order of the Empire" • "Creeping Death" • "Ground Zero" • "The Collector" • "To Swiftly Go..." • "The Mindless Ones" • "The Perithees Alliance" • "The Saboteur Within" • "The Void of Storms" • "Spheres of War" • "Shell Game" • "To Rule the Universe"
Annual stories "Target: Zargot" • "A Bite of the Apple" • "Captives in Space" • "Planet of Rejects" • "Gateway to the Future" • "The Zodian Sacrifice" • "Smoke and Mirrors" • "Planet of the Dead" • "What Is This Thing Called Spock?" • "The Gods Have Come!" • "Rock and a Hard Place"


Published Order
Previous comic:
The Void of Storms
TOS comics (UK comic strips) Next comic:
Shell Game
Chronological Order
Previous adventure:
Revolt on Dak-Alpha
Memory Beta Chronology Next adventure:
Shell Game
Previous comic:
Revolt on Dak-Alpha
Voyages of the USS Enterprise (NCC-1701), Year Two Next comic:
Shell Game
Production history
  • This story was serialized in two-page sections over 17 consecutive weeks in Valiant and TV21 magazine. Most issues were 36 pages, with the Star Trek segment printed in color on pages 18-19. Issues 76, 79, 81, 83, and 89 were 40 pages with Star Trek appearing on pages 20-21.
February 1973
March 1973
  • 3 March 1973: Pages 3-4 published in Valiant and TV21 #75.
  • 10 March 1973: Pages 5-6 published in Valiant and TV21 #76.
  • 17 March 1973: Pages 7-8 published in Valiant and TV21 #77.
  • 24 March 1973: Pages 9-10 published in Valiant and TV21 #78.
  • 31 March 1973: Pages 11-12 published in Valiant and TV21 #79.
April 1973
  • 7 April 1973: Pages 13-14 published in Valiant and TV21 #80.
  • 14 April 1973: Pages 15-16 published in Valiant and TV21 #81.
  • 21 April 1973: Pages 17-18 published in Valiant and TV21 #82.
  • 28 April 1973: Pages 19-20 published in Valiant and TV21 #83.
May 1973
  • 5 May 1973: Pages 21-22 published in Valiant and TV21 #84.
  • 12 May 1973: Pages 23-24 published in Valiant and TV21 #85.
  • 19 May 1973: Pages 25-26 published in Valiant and TV21 #86.
  • 26 May 1973: Pages 27-28 published in Valiant and TV21 #87.
June 1973
  • 2 June 1973: Pages 29-30 published in Valiant and TV21 #88.
  • 9 June 1973: Pages 31-32 published in Valiant and TV21 #89
  • 16 June 1973: Pages 33-34 published in Valiant and TV21 #90.
September 2017
Reprinted in the omnibus The Classic UK Comics, Volume 3. (IDW Publishing)
16 July 2020
Reprinted in the omnibus Graphic Novel Collection, Volume 121. (Eaglemoss Collections)

External link