Feustel's subsequent NASA Astronaut training includes: Field Medical Training, Field Maintenance Training, NASA Extreme Environment Mission Operation (NEEMO) X in the Aquarius Habitat in Key Largo, Florida; CAVES in Sardinia, Italy; National Outdoor Leadership School training in Alaska and Mexico; Winter Survival Training with the Canadian Armed Forces; Desert RATS in Arizona; Geotechnical Studies in Antarctica; and DeepWorker Submersible Pilot Training. He is qualified as a Space Shuttle and Space Station Robotic Arm Operator, Capsule Communicator (CAPCOM), and Instructor Astronaut for Extravehicular activity (EVA) training at the Neutral Buoyancy Laboratory.