To help instruct remote students during the COVID-19 pandemic, U.S. Naval Test Pilot School instructors have rigged up ingenious alternatives to the traditional blackboard, like this overhead projection device in the home office of chief academic instructor John O'Connor.

To help instruct remote students during the COVID-19 pandemic, U.S. Naval Test Pilot School instructors have rigged up ingenious alternatives to the traditional blackboard, like this overhead projection device in the home office of chief academic instructor John O'Connor.