Definition: A "commissioned naval officer" is a person who has been given a special job or rank in the navy. This means they have received official permission to lead and command other sailors and to make important decisions. They usually go through training and education to prepare for their responsibilities.
In a more advanced context, you might discuss the responsibilities and roles of commissioned naval officers in strategic military planning or international relations.
"On duty": This phrase means being in a position to perform your responsibilities, especially in a military or naval context.
"Commission someone to do something": To officially appoint someone to carry out a task.
A "commissioned naval officer" is an important role in the navy, representing leadership and responsibility.