Spock (alternate reality)/Starfleet career/Enterprise first officer

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|-| Nero=
|-| Nibiru=
A year later, Spock was on Nibiru trying to prevent a volcano from causing the extinction of all life on the planet. From a shuttle piloted by and Uhura, Spock was rappelled in an environmental suit with a cold fusion device that would prevent the catastrophic eruption. The heat damaged the shuttle, snapping the wire and forcing Sulu and Uhura to leave Spock. From the Enterprises bridge, Kirk was informed that ash from the volcano would prevent them from transporting Spock away before the device detonated. Spock requested his captain leave him to die, as getting the Enterprise in range would expose the ship to the primitive Nibirans and violate the Prime Directive. Kirk did this anyway: Spock found himself in the transporter room and could only express concern over his captain breaking Starfleet's main rule.
|-| USS Bradbury=Because Kirk covered up what happened in his captain's log, Spock filed a more truthful report when they returned to San Francisco. The Admiralty chose to return Kirk to the Academy and return the Enterprise to Pike, although Pike convinced to alter the decision to make Kirk his first officer shortly. Spock was transferred to the under Captain Frank Abbott. That evening, Spock attended a summit at Starfleet Headquarters regarding a bombing at the Kelvin Memorial Archive in London. The perpetrator, John Harrison, appeared in an attack vehicle and opened fire. Spock tended to the wounded Pike, attempting to comfort him with a mind meld, and felt the life depart from his body.
|-| John Harrison=
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