Why is crew training critical for artillery units?

Crew training is essential for artillery units because it directly contributes to operational proficiency and safety. This training equips personnel with the knowledge and skills needed to operate artillery equipment effectively and efficiently. A well-trained crew can accurately and swiftly set up and fire artillery, maintain the equipment, and respond to any unforeseen issues during operations.

Additionally, operational proficiency gained through training ensures that the crew can follow standard operating procedures and tactical drills, which are vital for effectiveness in the field. Safety is also a crucial aspect; proper training helps prevent accidents that can occur due to equipment malfunction or human error, thereby safeguarding the crew and the unit's mission.

While the other options touch on important areas, such as independence, ammunition conservation, and physical fitness, they do not encompass the primary reasons for crew training's critical nature in the context of ensuring both operational success and maintaining a secure environment for both personnel and equipment.