They are rare because its rare for air forces to meet in the air. Last time that happened at any real scale was 30 years ago in ODS. Since then the active air f

They are rare because its rare for air forces to meet in the air. Last time that happened at any real scale was 30 years ago in ODS. Since then the active air forces of the west have been dropping bombs on groups like ISIS who don't have fighters. And even in ODS there weren't that many A2A kills because most Iraqi aircraft were destroyed on the ground.