service ribbon for that show that person completed different training skills
for example: Completing 1. Basic training, AIT : Medical training, Infantry, Power Armor, Techinician, Vehicle operations, etc...
These Ribbons received when minimum requirement of 8 months has been met and after leaving Basic:
2. Service Ribbon on a Warship.
2.A. Service Ribbon for Garrison Duty at an established base (space station, planetary base)
2.B. Service ribbon for Cbt Air Wing (fighter ships that have a crew of 2 max).
Achievement for an orginal idea of use of skills:
1) showing an expertise under fire.
2) improving a known tactic
3) working well within a team.
4) showing leadership ability during chaos of battle.
Any reason that worth recognition from peers of senior, subordinates and peers.