NROTC help! Do I have what it takes to get in?

I have about a 3.3 gpa unweighted gpa, i was in student government, practiced karate for years, cross country, track, tennis, school leadership group in the school, a couple college ap cles and honors. What are my chances of getting a NROTC Scholarship? This is kind of a goal i have had for years is serving my country as an officer.