hey Keith, why do nearly every one of the C-5's and C-17's fly with the RCH designation? what is RCH? I cannot find any info on this UPDATE: Nevermind, a new link gave me the info: https://forums.liveatc.net/listener-forum/rch-flight/ its a "REACH" flight which means its transporting troops as AMC.
Aloha CS. Here is another Military ID for you - MANGO is the call sign for any Pacific Command (PACOM) VIP flight out of PHNL/Hickam. They got G5's and a couple of larger Boeings too.