BLOSSOM POINT, Md. (Sept. 8, 2021) A rectifying antenna attached to a receiver antenna in part of the Safe and Continuous Power Beaming – Microwave (SCOPE-M) demonstration at Army Blossom Point Research Field, Maryland, Sept. 21, 2021. U.S. Naval Research Laboratory developed the rectifying antenna, “rectenna”, to convert an x-band microwave beam to 1 kilowatts of DC power at a range of 1 kilometer. (U.S. Navy photo by Paul Cage)