Which asset provides the commander flexibility, range, speed, lethality, precision, and the ability to mass fires at a desired time and place?

The correct choice is Fixed Wing Aircraft. This asset is designed to deliver ordnance with a high level of precision and lethality, making it an integral part of modern warfare. Fixed wing aircraft can cover vast distances quickly, providing commanders with the flexibility to engage targets both near and far.

Their range allows for the projection of power into areas that may be out of reach for ground-based systems, while their speed enables rapid response to emerging threats. Additionally, fixed wing platforms can deliver a diverse array of munitions, allowing for the massing of fires at a specific time and place, which is essential for coordinating combat operations effectively.

These characteristics make fixed wing aircraft a versatile and potent tool for commanders seeking to maintain operational tempo and ensure mission success. Other options, while valuable in their own right, do not encompass the same combination of attributes as fixed wing aircraft when it comes to providing comprehensive fire support capabilities.