A second officer is a rank in maritime and aviation fields, typically responsible for assisting the captain or pilot in various operational tasks. In maritime settings, the second officer often oversees navigation, safety equipment, and watchkeeping duties. In aviation, the second officer may support the flight crew by managing communication and monitoring instruments. This role is crucial for ensuring safety and efficiency during operations. The second officer often serves as a stepping stone to higher ranks, such as first officer or captain in maritime and aviation careers. Their training and experience contribute significantly to overall team performance.