The Naval Security Group first represented in Naples Italy 1952 as Communication Security Unit 601. Six years later, in 1958, the Unit 601 was changed to U.S. Naval Security Group Det. On October 1, 1979, NSGD was administratively disestablished, and U.S. Naval Security Group Activity (NSGA) was established. Two years later in 1981, STREAMLINER and TACINTEL were installed.
Continue reading “OTD: NSGA Naples Decommissioned”Early in 1924, the Chief of Naval Operations (CNO), Admiral Edward W. Eberle, encouraged the Commander in Chief, Asiatic Fleet (CINCAF), Admiral Thomas Washington, to expand radio intelligence facilities in his area. As a result of this encouragement, in 1924, the first shore-based intercept station was established in the American consulate in Shanghai. Its primary target was the diplomatic radio network serving the numerous Japanese consulates throughout China. Shanghai also copied both Naval and commercial traffic (Japanese and British).
Continue reading “Shanghai, China (Station A) Moved to USS Monocacy (PG-20)”By Retired Captain Ros Poplar, USN
As we face the challenges of keeping the Straits of Hormuz open, “Quantity is indeed a Quality all of its own “
As I was reminded by Shipmate Michael Morano this A.M. 1987 marked the high point of the “600 Ship Navy,” with total numbers reaching 594 combatants. Included within those numbers were 119 frigates, 69 destroyers, and 35 cruisers, all of various classes.
Continue reading “Quantity Has a Quality All Its Own: Lessons from the 600-Ship Navy to Hormuz Today”With a separate officer community now responsible for cyber warfare, the cryptologic warfare community must refocus officer develpment on signals intelligence and electronic warfare.
By Lieutenant Commander Enrique Galvez, U.S. Navy
January 2026 | Proceedings | Vol. 152/1/1,475
Cryptology plays a critical role in modern warfare. Conflicts in the Red Sea and Ukraine have reaffirmed that understanding and controlling what is in the radio frequency (RF) spectrum can be the difference between life and death. Paradoxically, this technology-heavy domain requires human experts more than ever. As technology advances at breakneck speed, the Navy requires distributed, tactical-level expertise to dynamically innovate, execute, and fight.
Continue reading “The Next Fight Demands Naval Cryptologic Expertise”By Dzirhan Mahadzir
December 29, 2025 12:19 PM
Chinese military units kicked off a massive series of drills surrounding Taiwan that simulate a blockade of the island in protest of U.S. arms sales to Taipei.
Continue reading “China Launches Blockade Drills Around Taiwan in Protest of U.S. Arms Sales”Russia has, for the first time, deployed its entire fleet of eight nuclear-powered icebreakers simultaneously to maintain winter shipping lanes in the Gulf of Ob and the Yenisei Gulf, underscoring the strategic importance of Arctic energy exports.
Continue reading “Russia Deploys All Eight Nuclear Icebreakers for First Time to Keep Arctic Export Routes Open”