List one challenge faced by a mortar crew in the field.

One significant challenge faced by a mortar crew in the field is adapting to rapidly changing tactical situations. In dynamic combat environments, the battlefield can shift quickly due to enemy movements, changes in mission objectives, or the emergence of unexpected threats. Mortar crews must be able to respond swiftly to these changes, adjusting their firing positions, selecting targets, and modifying their tactics in real-time. This adaptability is crucial for effective support and ensuring that their firepower remains relevant and impactful in assisting ground forces, thus directly influencing the success of military operations.