Rare US NAVY MQ-4C Trition UAV VUP-19 Squadron Challenge Coin. MQ-4C Trition is the first full size UAV being operated by a US NAVY Squadron based of of NAS Pt. This coin in extremely rare as it’s tail BUNO is 168641 which is the 1st UAV that was involved is a mishap. This BUNO is no longer in-service after it crash landed. See link below for the info on the Crash.