I should probably wait for someone more expirienced to answer, but I am anxious to give it a whirl, please correct me if I am wrong
From what I have understood @ a.net
Wet Lease: Borrowing the airplane, with a crew, mx and fuel costs somehow built into a monthly or flat rate paid over time
Dry Lease: Borrowing a plane with nothing else included except the bird.
Sorry if I jumped the gun, I got excited about answering a slightly technical question other than what Dc-10s have the centre gear.....
Of course correct me if I am way off,
They're not handing trophies out today