Part 5/8:
A crucial aspect of the investigation will be determining whether the helicopter crew was operating under the influence of night vision goggles, which can obscure depth perception in bright environments. John noted that while other air traffic might have been visible, it doesn't guarantee that the helicopter pilots were looking at the correct target.
The operations near heavily populated regions like Washington require sophisticated protocols to ensure safety. Typically, helicopters maintain a distinct flight path, primarily over water. John mentioned the potential strain of surrounding aircraft, including medevac helicopters, and how such a busy airspace can easily complicate visibility and navigation.