1 can be for entry but I doubt it. They will reveal in a 4 ship diamond formation.
About the air chief, we didn't get any dual seaters so that won't be happening.
And since its a long haul flight of brand new aircrafts, one would only go with the flight once all items are ticked on the checklist.
I wonder if they would perform A2A refuel along the way. Or is it even needed to refuel mid way?
Weather is acceptable where i live but then I don't have access to met data like forces have. Also weather here changes quite rapidly during this time of the year.