We all worked together when I was in . We would often have special names for the different branches but in the end we all worked together . I don't know how it is today but suspect it's the same or better in that respect . I still love the sound of a Huey , a C-130 and , fast movers whistle as it comes in . All of the branches have a reason for them being in existence with their different sub-divisions God bless them all and keep watch over them as they go about their business of being an over watch for the rest of us as we go about our daily lives !