Talk about good times in the 1990s - the Big Box/Big Manual era of gaming... possibly the Golden Age...
Not my pic, but I owned all of these games except 668(I). I remember almost buying it multiple times, but there were always two games I wanted just a little bit more, and it turned into the game that got away. People raved about how hardcore it was at the time, but it was difficult to learn. Missing out on that one is one of my few gaming regrets (LOL).
While not anywhere close realism wise as Airwarrior, Aces of the Pacific (and Aces over Europe, and Aces of the Deep for that matter) were just really fun sims to play offline. Janes F-15 was just incredible for the time - I spent a good year playing that game constantly, then I abandoned it for Falcon 4.0.