Final answer:
Assigned extra military instruction (EMI) is related to professional development within the military. It aims to address and correct minor deficiencies in a service member's professional performance. EMI is not punitive and is not related to fitness training, court-martial, or civilian education.
Step-by-step explanation:
Assigned extra military instruction (EMI) is most closely related to professional development. EMI is remedial training or instruction given to service members who have demonstrated deficiencies that affect their military duties. It's a non-punitive measure intended to correct minor deficiencies in professional performance, essentially providing the member with the tools, knowledge, or behavior corrections needed to meet and maintain the standards of their present rank, rating, or position.
EMI is not generally related to fitness training, which focuses on physical conditioning; court-martial, which is a legal proceeding for serious violations of military law; or civilian education, which usually refers to academic or vocational training in non-military institutions.