5th April 2021 - 11:35 GMT | by David Walsh in Washington DC RSS How can the US recover ground it has lost to China and Russia in electromagnetic spectrum operations? (Photo: DoD) As US dominance ebbs away, is it time for a DoD electromagnetic spectrum supremo? Ineffective leadership means that US military pre-eminence in electromagnetic spectrum operations (EMSO) is shifting dangerously towards adversaries. Such was the verdict of a Government Accountability Office (GAO) report in December 2020 — its third warning in eight years. Commenting to Want to read more? To read this article, along with thousands of others like it, start your Premium News free trial.