The colors were altered, having been stippled with miniature Starfleet deltas, giving the uniforms a more dynamic visual texture.

Source: https://www.slashfilm.com/1388523/star-trek-jj-abrams-costumes-50s-sci-fi-films-inspiration/

The red deltas show up as you head into bigger turns.

Source: https://www.dailybreeze.com/2023/02/14/7-tips-hacks-and-cheats-for-the-new-mario-kart-ar-ride-at-universal-studios-hollywood/

While presumably located in mainland China, several deltas in Asia within the present could localize their home; however, the world of has been altered by Aloy's time, leaving some uncertainty.

Source: https://gamerant.com/horizon-forbidden-west-spinoffs-quen-eluthia-derangement-machines-lore-culture-red-raids/