Who is ultimately responsible for the safe conduct of soldiers and Marines during training operations?

The senior commander is ultimately responsible for the safe conduct of soldiers and Marines during training operations because this individual holds the overall authority and accountability for the unit's operations, including safety protocols. The senior commander establishes the framework within which training occurs, ensuring that all safety measures are adhered to and that resources are allocated appropriately to maintain a safe training environment. While various personnel, such as the range safety officer and training unit leader, play significant roles in implementing and monitoring safety protocols, the senior commander carries the ultimate responsibility for overseeing the training and ensuring that all safety practices are consistently followed by every member of the unit. This hierarchical approach ensures that safety is prioritized at all levels of training operations.