This is just a rumer, but I was told by a friend of that, you will coming in as Unified DEFO. As been said if you go B777 than you will only fly Pax, but if you are on the B744 they will have you operate a Cargo flight to HKG, get your rest and fly Pax from HKG to somewhere than fly back to HKG get a another rest and operate a cargo flight back to U.S.