open unit list...
Find A-10 you wnat to alter...
In the right side of the mission editor the A-10 will be highlightet, look 2/3 down and you will see a menu, where you can choose between start on ramp, hot on parkingplace, runway... or you can set it to turnpoint...
Turnpoint is in the air, sett altitude arcording to the tanker, and drag the A-10 close to the tanker on the map...:thumbup: