This Star Trek: Discovery article contains spoilers.
Rayner is a member of the Kellerun species, which were established in theDS9episode Armageddon Game.
Warp cores use matter/antimatter reactions to do their thing.
When he says this we hear the Mirror Universe music fromDiscoveryseason 1.
The existence of theISSEnterprisein this episode is a massive easter egg, which contains various other smaller easter eggs.
Mirror Spock spared Prime Kirk in Mirror, Mirror, and then became the leader of the entire empire.
In theDeep Space Nineepisode Crossover, we learned that the leader of the Terran EmpirewasSpock.
This seems to reference the events of Terra Firma Part 2, fromDiscoveryseason 3.
The Breen Revealed!
First mentioned inThe Next Generation, the Breen eventually appeared in person in the 1995Deep Space Nineepisode Indiscretion.
But, from that point, until now, theyve only appearedinsidetheir suits, and under those helmets.
Famously, the tribbles first appeared in theTOSclassic, The Trouble With Tribbles.
Hit it?
As Book is navigating theISS Enterpriseout of the wormhole, he says, Should we hit it?
Book has no idea that hit it was Pikes catchphrase to send a ship into warp.
Burnham smiles sheepishly and responds, Feels weird.
Were told that Detmer and Owo are flying the ship back to Federation HQ on their own.
