I think my source of confusion is the use of Flags & Gold Hexes.
I appreciate that there will be upgrades available for aircraft at flagged airfields.
Logically to me though there should be some distinction between flagged hexes that have sufficient resources to allow upgrades & those which do not.
There are a few Gold Hexes in this scenario with no apparent resource availability, which makes me question why they would be a priority target.
For instance I think Gazala (17/11) should be a Gold Hex as it provides for resources & would be a likely military objective.
Relatively a lot of the Desert Hex Gold Hexes have little strategic value that I can see. ( eg 17/14 18/20 20/221 )
Balla.
