i want 2 bcome a chemical engineer 4 the military. cud sum1 tell me my options?

i wud like 2 b sum sort of officer and wud want 2 c sum action while duin my job. i wud like 2 go 2 college 4 engineerin as well as learnin how 2 b a soldier. i wudnt mind fitin 4 a few years and thn afterwards becomin a civilian, but i do want 2 maintain sum sort of hi rank. so i was wonderin how i cud go about college, becomin an officer and cin sum action on the field, and thn retirin from fitin and continue workin as a civilian
also i will b an eagle scout, i dont no if tht means nethin, but ive heard they started with a hier pay?
ty u in advance 4 ne info u can giv me