Yep that's it. And their contracts get interesting between LAA and LUS on the ground side. For example, going to RDU, Envoy handles certain gates that LAA parks at and mainline US handles the LUS gates. Keep in mind AA has a 777 in RDU. This is part of the contention between the company and ground unions, they basically want to combine the best of LUS contractual staffing requirements with the best of the LAA vacation, days off, etc. It would trigger a huge staffing increase on the mainline ground side pushing Envoy rates of $10/hr to mainline where they start at $18 IIRC. Caught in the middle are the mechanics who can't get away from them and presto, you have instant stalemate.