User blog comment:Heatedpete/Battleblog 9: Online vehicle warfare/@comment-68.3.116.120-20110902010243/@comment-1840523-20110902090524

This is my guess:
 * Fighter jets = jets designed for air-to-air combat, like the F-22 and the Su-37.
 * Attack jets = jets designed for air-to-ground combat, like the Su-32 and the F-15E Strike Eagle