MAKAHA RIDGE, Hawai`i (Oct. 27, 2021) Capt. Tim Young, right, commanding officer of Pacific Missile Range Facility (PMRF), Barking Sands, and Karnig Ohannessian, the Deputy Assistant Secretary of the Navy (Environmental), tour PMRF facilities in a S-61 helicopter. PMRF is the world’s largest instrumented multi-environment range capable of supporting surface, subsurface, air and space operations simultaneously. (U.S. Navy photo by Mass Communication Specialist 2nd Class Samantha Jetzer)