I'll cop to some of that. I fly faster than I need to to and from the airspace, but it typically doesn't matter. Since your typical fighter mission doesn't just end at the destination, it really doesn't matter. Fighter training missions almost always fly until forced to RTB by bingo fuel, so why save fuel? Burn it like you would in combat, that's what I would do. Saving gas just makes the sortie longer and usually gives you worse training. Plus with my tiny little tires and brakes, you really don't want to land too heavy.