Which of the following is the author's preferred method for VES first entry?

The author's preferred method for Vent Enter Search (VES) first entry is entering through the head of the window. This technique allows the firefighter to have a clear line of sight upon entry, facilitating better situational awareness and making it easier to locate victims or identify the fire's location. By entering at the head, the firefighter can also bring their tools in a position that can immediately assist in navigating the environment, such as using a thermal imaging camera or a handline. Additionally, it helps in preventing thermal injury from potential heat or smoke found at lower levels, which would generally be more pronounced near the ground.

Using the head of the window as an entry point maximizes the potential to maintain visibility and enables better communication with crew members. It also allows for effective air management right from the start, as firefighters can evaluate conditions inside more quickly and clearly.

In contrast, the other methods of entry, such as through the feet or leg, would not provide the same advantages in visibility and situational control, which are critical when conducting a search in a high-stakes environment like a fire. These alternative entry methods could result in challenges and delays in performing the necessary search and rescue operations effectively.