What is always carried in the stretcher during mine rescue missions?

The correct answer reflects the essential items that need to be included in the stretcher during mine rescue missions to ensure the safety and well-being of the injured individual. This choice highlights the importance of cervical collars, padding, and splints, which are crucial for stabilizing and protecting injuries during transport.

Cervical collars are particularly vital in cases where there may be head, neck, or spinal injuries, as they help to immobilize the patient's head and neck to prevent further injury. Padding is used to provide comfort and protect against additional harm while the patient is being carried. Splints are necessary for immobilizing broken or injured limbs, ensuring the patient remains stable during the rescue and transport process.

While the other options include useful items, they either focus on general supplies or necessities that aren't consistently used in the stretcher itself. This choice emphasizes the critical focus on direct medical care and stabilization for individuals being transported from hazardous situations.