The crew of the Discovery were introduced to a lot of new technology after travelling to the 32nd century, including tricom badges, an invention that replaced Starfleet combadges at some point ...

Kirk's (William Shatner) 23rd century era, delta badges were simple patches sewn ... Star Trek: Discovery season 3's jump to the 32nd century allowed the series headlined by Captain Michael ...

In the trailer, 32nd century native Cleveland Booker (David Ajala) suggests that Michael Burnham (Sonequa Martin-Green) believes in ghosts, pointing to the Starfleet insignia badge on her chest.