In 2270, James Kirk and his crew returned home to face an unjust court-martial.Admiral 'Skip' Terrence, unable to be dissuaded, hounded every last one of them out of the service.
His obsession with the letter and the law of the Prime Directive directly caused the weakened Federation to be carved up by the other powers in 2300.
In 1931, a drug-addled, time-lost Leonard McCoy ranted and raved about 'needles' before moving on.
Wino 'Skip' Terrence found McCoy's phaser and destroyed himself while playing with it.
In 2270, James Kirk and his crew returned home, justly acclaimed as heroes.