500 word persuasive draft

Back story

My subordinate soldier is facing punishment (Article 15) for improper relations with another leader. Max punishments for offense is reduction in rank, 45 days extra duty, and forfeiture of half months pay for 2 months. I need help drafting a letter to the commander to consider lesser punishment for my soldier. Reasons for lesser punishment include:

Soldier completes all tasks given

works well with others

Always willing to learn

Chain of command noticed hard work

Personal problems never affected work

No negative counselings prior to situation

Trustworthy with tasks

Currently paying mortgage and car note

Plans to enroll in school to continue education