What is a collective task that a platoon or lower echelon trains on to support a company MET?

A collective task that a platoon or lower echelon trains on to support a company MET (Mission Essential Task) is referred to as battle tasks. Battle tasks encompass the critical activities that are necessary for the unit to accomplish its mission and are based on the collective capabilities of the unit rather than the individual skills of its members. These tasks often involve teamwork and coordination among various members of the unit, ensuring that all individuals understand their roles in achieving the overall mission objectives.

While individual skills, weapons training, and unit cohesion exercises are all important components of military training, they do not specifically reflect the focus on collective performance aligned with a mission essential task. Individual skills concentrate on the proficiency of single soldiers, weapons training is primarily about mastering equipment use, and unit cohesion exercises aim to improve teamwork and trust among members without necessarily being task-specific to METs. Therefore, battle tasks stand out as the correct choice for this question, as they directly relate to the collective output necessary for a platoon to support its higher command's objectives effectively.