The talent for laying up in an OP for weeks on end and staying sharp, though an important one is rather tedious work..
Work towards the goal to become an excellent soldier first.
If you have the talents requiered the job will find you in due time.
Interesting notion that young people find putting a bullet through an unsuspecting head 800 meters away not only interesting but a career choice before they even know what soldiering is all about..
"We are the pilgrims, Master
We shall go always a little further,
it may be beyond the last blue mountain barred with snow,
Across that angry or glimmering sea..."