MACDILL AIR FORCE BASE, Fla. -- Service members assigned to the Joint Communication Support Element and the 6th Communications Squadron participate in Exercise Noble Skywave at MacDill Air Force Base, Florida, Oct. 22, 2025. Noble Skywave is an annual, Canadian-led global competition, primarily for military units, to test and improve their proficiency in using high-frequency (HF) radio technology. The teams earn points for establishing contacts, the distance of those contacts and the HF protocols they use.