What does the term "fire team leader" refer to?

The term "fire team leader" specifically refers to a soldier who is in charge of a fire team, which typically consists of a small group of infantry soldiers. This individual plays a crucial role in combat situations by being responsible for initiating and directing the team's fire. The fire team leader not only commands the team but also makes tactical decisions based on the battlefield scenario, ensuring effective communication and coordination among team members.

In contrast, other roles mentioned in the options do not align with the responsibilities of a fire team leader. While medical assistance is a critical function within a military unit, it is not the primary role of a fire team leader. Similarly, while operating heavy weaponry is essential on the battlefield, it does not define the leadership position of directing a fire team's actions. Lastly, conducting reconnaissance missions is a distinct function that focuses on gathering intelligence rather than leading a combat-oriented unit in direct engagements. Thus, the role of a fire team leader is uniquely centered on leading and directing fire in combat scenarios, making it essential for infantry operations.