For starters, I am a junior in high school and am just getting ready to start USMC option NROTC applications with my recruiter. I have been doing well on my path to that, until I was recently diagnosed with achilles tendonitis. This was most likely caused by my flat feet (they have never been diagnosed as pes planus). My doctor referred me to a physical therapist, who has advised me to get custom orthodics. From what I have read on this site, that seems like a bad idea. This tendonitis has caused me to stop track this season, and since that is my only sport, I am worried about the implications with my NROTC scholarship applications. Any advice would be greatly appreciated, thanks in advance!!!