How must every weapon be treated according to TC 3-22.9?

The correct approach to treating every weapon, according to TC 3-22.9, is to treat it as if it is loaded and prepared to fire. This principle is fundamental to ensuring safety and responsibility when handling weapons. By adopting this mindset, individuals maintain a high level of caution and vigilance, which helps to prevent accidental discharges and promotes a culture of safety.

Understanding and applying this principle reinforces the importance of always being aware of one's surroundings and the potential risks involved in handling firearms. This approach emphasizes that regardless of the situation—whether a weapon has just been used in training or is being handled during maintenance—safety should never be compromised by assuming a weapon is unloaded or harmless.

The other options do not align with the safety protocols established in TC 3-22.9, as they downplay the inherent risks associated with firearms. For instance, treating a weapon solely as a training tool or a resource for collaboration diminishes the necessary respect and caution required when dealing with firearms, which can lead to unsafe practices.