I agree. That would seem to be the place to use old F-15s and 16s.
F-16’s and F-18’s used as well.
someone in Syria might be able to target 15/16/FA18/.
I wouldn’t countenance sending aircrew into harms way in less than the most capable systems we have if there was a chance they could be targeted. Rus “advisors/customer support” might very well be using S300 or better SAM systems.
They have to be broken in somewhere. Better sooner than later.