Air rb 9.3 and 9.7

i dont know about you people but im struggling at 9.3 and 9.7 air rb planes with no missiles and flares are playing against 20g - 30g missiles at 10.3 almost every game from time to time im getting some kills but most of the time its just pain playing there how am i supposed to unlock new planes without playing bombers im just wasting every booster 1 kill and then dead most of the time cant even get 1 kill