Which factor does NOT influence the strategy for litter evacuation?

The strategy for litter evacuation is influenced by several factors, and one of them is indeed the type of litter used. The type of litter can determine how it handles different situations, how casualties are secured during evacuation, and how the litter can be maneuvered through various environments. Various litters have different weights, sizes, and designs, which can affect the approach the rescue team takes.

When considering the experience level of the team, the ruggedness of the terrain, and environmental conditions, these factors directly impact how a rescue operation is executed. The team's experience dictates their confidence and competence in navigating challenges. Rugged terrain can complicate evacuation routes and may require more advanced techniques or additional resources. Environmental conditions such as weather and visibility can also significantly influence evacuation strategies, affecting both the safety of the rescue team and the patient being evacuated.

In contrast, while the type of litter is a critical component for effective evacuation, it does not fundamentally alter the strategy as dramatically as the other factors. Different crews can adapt their methods based on the same litter type, so it does not inherently dictate the operational tactics in the same way that team experience, terrain, and environmental conditions do.