Patches can be purchased from Stef's etsy shop for the various factions. Reminder: these are not iron-on patches, and do not have any velcro backing.

United Earth Authority:
https://www.etsy.com/listing/217483289/planetfall-united-earth-federation-patch

Unification Forces Enlisted Ranks:
https://www.etsy.com/listing/217517336/unification-forces-rank-patches

Triad Corporation:
https://www.etsy.com/listing/217520995/planetfall-triad-corporation-patch

Enforcers:
https://www.etsy.com/listing/217521769/planetfall-enforcer-patch