Final answer:
Without access to TC 3-01.86, the exact timing of the GMT reload process in military exercises cannot be provided, as it is likely detailed in restricted military manuals. Time stop probably indicates when a timer is stopped to mark the end of a drill or operational reload.
Step-by-step explanation:
The question relates to a military procedure documented in TC 3-01.86, which is a training manual for air defense artillery reference. However, without access to the current doctrinal publications, which are generally restricted to military personnel, providing an exact answer to the timing of the GMT reload process is challenging. In military contexts, GMT often stands for Guided Missile Transporter, and reloading procedures for such systems are typically detailed in specific tactical manuals or standard operating procedures, which are carefully outlined to ensure safety and efficiency. The 'time stop' likely refers to the point at which a timer or stopwatch is stopped to mark the end of a practice reload drill, to measure its duration in a training scenario. During actual operations, this would correspond to the moment the system is ready to re-engage after reloading. However, this information is highly specific and would require referencing the actual manual or having subject-matter expertise in army air defense systems.