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Fleet Radio Unit Pacific The NCVA's FRUPAC Page is dedicated to the preservation of Naval Cryptologic History The NCVA's FRUPAC Page is dedicated to their memory.

NCVA's FRUPAC Page is the Naval Cryptologic Veterans Association’s (NCVA) official site for the presentation and discussion of Naval Cryptologic History and related history. Created by an NCVA member to honor the memory of his late father, and the Navy cryptologic organization Fleet Radio Unit Pacific (FRUPAC) that he served in during WWII, this site is operated under the aegis of the NCVA’s Public Affairs Office as part of its communications and outreach program. Lest We Forget
Many details of the Navy’s OP-20-G Communications Security Group during World War II were classified for nearly 50 years and known only to those who served in it. Those participants, many of whom were trained with the On-The-Roof Gang pioneers of the 1920s and 30s (http://www.usncva.org/), were men and women who helped win the war through their dedication, resourcefulness and incredible cryptologic accomplishments. For the most part, they were a group of unsung and unknown heroes until their story was declassified and became public in the 1980s. We owe this group from the Greatest Generation a great debt of gratitude, and we salute them for their achievements in war. While we anticipate that our content will continue to be heavily weighted toward World War II Navy Cryptologic History, we have expanded our scope with our member site, United States Navy Cryptologic Veterans Association page, to include, to the extent allowed by its open source availability, the history of the Naval Security Group during the Cold War and the Navy’s Information Operations Commands who today continue the legacy of vigilance and professional excellence passed down to them by their predecessors. In their respective eras, both organizations have steadfastly stood the Navy’s Signals Intelligence (and now Cyber) Watch since WWII. NCVA-FRUPC Open Forum
This page is provided as a means for public discourse on the subject of Naval Cryptologic History; ordinary social networking is discouraged. We encourage veterans and the general public to contribute appropriate historical material and to engage in open-forum discussions. It is you, the Followers of NCVA-FRUPAC, to whom we look for the sustained interest and participation that will assure the ongoing success of this site. Posting of Material
The information on the NCVA-FRUPAC page is intended for educational purposes only, and we have an established record and reputation for posting well-researched, factual information on the history of the Navy’s World War II Communications Intelligence (COMINT) activities. The materials we post are generally from the public domain, although some information is provided from the personal records of private individuals. It is the policy of NCVA-FRUPAC to always strive to identify our sources, so if you wish to post photos, films, documents or other forms of information, please credit the original source of your material. We wish to maintain only the highest standards of accuracy and credibility in everything posted to this site, so if you have reason to suspect an inaccuracy or wish to make a correction, do not hesitate to contact us. We also invite comments or suggestions for the improvement of this site. You may contact us via this page or by email directly to the NCVA Public Affairs Office at [email protected]. Security Reminder
All NSA/CSS affiliates (past or present) are responsible for forwarding for review any information intended for public disclosure which is or may be based on protected information gained while associated with NSA/CSS.” OP-20-G, the Naval Security Group and current Navy cryptologic organizations are all considered NSA/CSS affiliates. Therefore, if you have material you wish to post to this site that you suspect might be classified or sensitive, don’t post it until it’s been reviewed and authorized by NSA/CSS. You may submit your information directly to:
NSA/CSS
Attn: DJP2, Pre-Publication Review
9800 Savage Road – Suite 6248
Fort Meade, MD 20755-6248

The U.S. Naval Cryptologic Veterans Association is a registered non-profit 501(c)19 fraternal organization. Disclaimer: The views expressed in pages we link to may not necessarily reflect the views of the U.S. Naval Cryptologic Veterans Association.

10/23/2026

RIP Viper!

10/23/2026

A 27-year-old Virginia man has been arrested after police say he used a sledgehammer to severely damage the historic Iwo Jima monument near the entrance to Marine Corps Base Quantico.

According to the Prince William County Police Department, officers responded to the monument at approximately 10:15 p.m. Wednesday, October 21, and found a man actively striking the statue with a sledgehammer.

The suspect, identified as Miguel Alonso Maldonado Soriano of Stafford, Virginia, was arrested without incident.

Police reported that one of the six figures depicted in the monument had been decapitated. Another figure had a bayonet broken off its r***e, while a third sustained damage to its helmet and face.

Authorities estimate the destruction could cost hundreds of thousands of dollars to repair.

Maldonado Soriano faces felony charges of destruction of property and injury to a monument, along with a misdemeanor trespassing charge. He is being held without bond.

The limestone monument was created by sculptor Felix de Weldon and depicts the historic flag-raising on Mount Suribachi during the Battle of Iwo Jima on February 23, 1945.

The original photograph became one of the most recognizable images of World War II and an enduring symbol of the United States Marine Corps.

The larger bronze Marine Corps War Memorial in Arlington, Virginia, was dedicated in 1954 to honor Marines who have died in service to their country.

Authorities have not publicly established a motive for the vandalism.

VRS | Vet Radio Syndicate

10/22/2026

All October long, we’re exploring how early electronics pioneers viewed the unexplained! 🎃⁠
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In the late 1800s, the line between cutting-edge physics and unmapped phenomena was surprisingly blurred. As discoveries like radio waves and X-rays proved that invisible electromagnetic forces were real, scientists began asking: what else is traveling through the unseen spectrum? ⚡⁠
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That curiosity led prominent physicists like Sir Oliver Lodge to explore the boundaries of wave mechanics. In addition to his landmark inventions in wireless technology (including early radio wave detectors and syntonic frequency tuning), Lodge joined the Society for Psychical Research to apply rigorous scientific testing to the unknown. He reasoned that if invisible electromagnetic energy could propagate wirelessly, perhaps other unrecognized phenomena operated on similar wave principles.⁠
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For Lodge, investigating these unseen forces felt like a logical extension of his work in wave physics and RF theory.⁠
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Follow along all month long as we share more eerie inventions and unique detours in tech history! ⁠
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📡 National Electronics Museum ️⁠
⚡️ Inspiring the next generation STEAM workforce by exploring innovations that changed the world, with exhibits on radar, underwater electronics, satellites, and more!⚡⁠
📍 Coming soon to Middle River, MD⁠
☎️ (443) 345-1390⁠
❤️ 501(C)3 non profit

10/22/2026

An aerial photograph of the aircraft carrier Shinano while she was drydocked in Yokosuka, Japan, in October of 1944. An arrow highlights the carrier. The photo was taken to gauge the effectiveness of a new special camouflage scheme intended to hide her during construction. The camouflage consisted of the outlines of several fake buildings painted on her flight deck.

Shinano, originally laid down as a member of the Yamato class battleships, was converted into a carrier during construction. Like her sisters, she was built with a high degree of secrecy and many records were destroyed at the end of the Second World War.

Only three photographs of Shinano are known to exist. One was taken by a civilian crewmember aboard a tugboat, one was taken by a B-29 bomber on a reconnaissance flight, and the one depicted here. This photograph, taken by the Japanese Navy, is notable for being the only official Japanese photograph.

10/22/2026
10/22/2026

Remembering IT1 Johnnie Doctor, Jr., USN, KIA September 11, 2001 Pentagon, Arlington, VA

Born October 21, 1968, 32 years old

He was the rock of the family, the supporter of friends, the good son who helped take care of the family as a youth, the star athlete who loved sports.

But at heart, Johnnie Doctor, Jr. was a Navy man.

“He loved everything about the service,” said his wife, Andrea, “It was his family, too.” The two were married in 1995 and lived near Bolling Air Force Base.

Doctor, 32, is counted among the Pentagon’s missing. He was an information systems technician first class, a job he relished, his wife said. He was in the Navy 14 years, traveling from Japan to Jacksonville, Florida, to Russia and Australia. He enlisted at Fort Jackson, South Carolina on August 19, 1986. His duty stations were: RTC San Diego, August-October 1986; Services School Command, San Diego, October 1986-February 1987; U.S.S. Whidbey Island (LSD41), March 1987-September 1990; Naval Technical Training Center, Charleston, South Carolina, November 1990-September 1992; U.S.S. Aubery Fitvh (FFG-34), October 1992-August 1994; separated from service August 1994-June 1995; U.S.S. Independence (CV62), August 1995-October 1997; U.S.S. Stark (FFG31), November 1997-May 1999; CNO’s office, June 1999. His awards and decorations are: Navy and Marine Corp Achievement Medal, Good Conduct Medal (3), Navy “E” Ribbon, U.S. Coast Guard Special Operations Service Ribbon, Sea Service Deployment Ribbon (3), National Defense Service Medal, and Joint Meritorious Unit Commendation.

On his return from far-flung ports, he’d always bring back a T-shirt or other mementos for his wife and stepchildren, Anthony and Lydeda. “He always knew how much I loved T-shirts,” his wife said. “He would never forget.”

Fellow sailors were treated like kin as well. Whether they needed a little cash, a ride or some advice, he was there for them, Andrea Doctor said. “I’ve gotten calls from across the world from people who he’s touched,” she said, “No one can quite believe this has happened.”

As much as he loved the service, Johnnie Doctor wanted more. He had recently started criminology classes at the University of the District of Columbia, with thoughts of becoming a state trooper, Andrea Doctor said. “He was so full of life and excited for what was about to come.”

10/22/2026

Classic Wizard Winter Harbor

10/22/2026

Afloat Cryptologic Managers Course, Corry Station, taken at the Cryptologic Command Display, 2005. Recognize anyone?

10/22/2026

Explain how weather conditions affect satellite communications operating in the Super High Frequency (SHF) and Extremely High Frequency (EHF) radio bands. Which band is more susceptible to weather-related interference, and why?

10/21/2026

P-3C 158572 of VP-45 at NAS Roosevelt Roads in 1995.

History from https://www.p3orion.nl/production.html
158572 (5581)
P-3C 18oct72 VP-45 LN-20/LN-12/LN-42/LN-47/LN-43/3/LN-3; P-3C-IIIR mod; dec94 VP-5 LA-572; may96 VP-45; feb97 VP-5 LA-572 ; dec02 VP-45 572 ; sep03 VP-5 572; 16dec03 AMARC AN2P0192; 23jan04 SOC; aug08 selected for Taiwan; oct12 dep AMARG to LM Greenville, SC for overhaul, modification and re-winging; sep15 rr 3310; dec15 del RoCAF 34 Sqn

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