I made an important revision in red which affect the first two posts.
If playing 1942.2 without Airbase but with Tactical Bombers,
here is the condition to get escorted Strategical bombers:
_When StBs attack fighters on SBR air combat, **each get 1 A@1 if there is a Fg unit escorting.
The fighter unit have to be part of the SBR to give the bonus to all StBs attacking the IC.
This single fighter unit get 1A@1 preemptive strike.
The Fg unit can land anywhere else at the end of the turn. No need to return in the same territory.
**Non-escorted StBs group roll: 1A@1 for each StB or interceptor, whichever is less.
The @1 for escorted StB is like the actual OOB.
As it is for each intercepting Fg getting to fire 1D@1.
Is it enough balance and fair for both sides?****_