Emergency Response Team officers prepare enter the Indian River Lagoon from a Huey helicopter during a training exercise.

Emergency Response Team officers from the Protective Services branch NASA's Kennedy Space Center in Florida prepare enter the Indian River Lagoon from a Huey helicopter from the Aircraft Operations branch at the center during a training exercise. The training session focused on safely entering the water, something the ERT could be required to perform in certain situations at the center. Photo credit: NASA/ Dan Casper