While year 2020 has been a train wreck.  It has had developments as far as the history of Gen. MacArthur's Sec. 22 radar hunters are concerned. Thanks to the work of the Sec 22 e-mail list. The historical record of Section 22 has been mapped. Image
When my research partner started his searches at the National Archives in Maryland in 2015, not only were there no finding aides on the subject of Section 22. 

There was no single entry for Section 22 in its entire catalog of documents!
By 2018, all the readily available documents on Section 22 in the various national archives involved had been mapped.

The mapped work product of Section 22 in its June 1943 to August 1945 official existence included 333 "Current Statements" of urgent intelligence to combat... Image
... units, hundreds of aircraft mission logs, dozens of submarine signals intercept patrol logs, monthly reports for most of its 27 month official existence (there were gaps during MacArthur's GHQ moves to Hollandia in New Guinea, Tacloban in Leyte and Manila in Luzon), Image
...several special reports on Japanese radar and many radar coverage maps across the entire SWPA theater. ImageImage
Online Sec 22 primary resources include:

DSIR World War 2 Narrative No.3: Radar, Copy No.3 (Archives New Zealand Reference AAOQ W3424 16) [Grahame Fraser]
o RAAF Command Headquarters - RCM [Radio Counter Measure] current statements - Section 22
NAA: A11093, 676/4A11 PART 7
o British influence in Section 22 (Radio Countermeasures Division)
o [No 20 Squadron - General Reconnaissance/Flying Boat Squadron] -
Minelaying Operations - Radar Countermeasures Support
o Japanese Radar - General Headquarters, South-West Pacific Area, Office of the Chief Signal Officer, Section 22 APO500
NAA: AA1966/5, 447
There is a fairly complete Sec 22 primary source list at this link at the H-War post --

Published articles and academic papers from member of the Section 22 Special Interest Group starting in 2015 include:


Trent Telenko, History Week End — Who Were Those Guys? Section 22, GHQ, SWPA as of Oct 1944
Posted on April 12th, 2015

Copyright 2015

History Friday - Imperial Japan’s Philippine Radar Network 1944-45
Posted by Trent Telenko on June 10th, 2016
Radar Countermeasures Development in Australia :
A Case Study of Multinational Co-operation in World War II
at Fenton, Northern Territory

Craig Arthur Bellamy

Student thesis:  Honors - CDU


William Cahill, "Thirteenth Air Force Radio Countermeasures Operations, 1944-45"
Air Power History Summer 2017 -Volume 64, Number 2, Pages 9-27
afhistory.org/wp-content/upl… Image

William Cahill, "Far East Air Forces RCM Operations in the Final Push on Japan,"
Air Power History Spring 2018 - Volume 65, Number 1, pages 37-47
afhistory.org/wp-content/upl… Image

Trent Telenko, "The Great South Pacific IFF Visitation"
October 13, 2019
facebook.com/groups/1414345… Image

The beginnings of the secret Australian radar countermeasures unit during the Pacific War Feb 2020
Craig Arthur Bellamy
Student thesis: Doctor of Philosophy (PhD) - CDU
After Craig Bellamy's PHD thesis was published, the initial mission of the the Section 22 Special Interest Group was completed.

MacArthur's Radar hunters have been rescued from obscurity and future scholars now have a story and a map of primary & secondary sources to follow.
Not a bad piece of work for 18 guys on an e-mail list.


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More from @TrentTelenko

12 Oct
1/This is a tweet thread on the drone campaign inside the on-going Azeri-Armenian War.

Most have focused on the drone strike videos, myself included, but it is the C4ISR system behind it that makes it the Spanish Civil War of the 21st Century.

C4ISR is this thread's subject
2/Too appreciate the Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) portion of the Azeri drone campaign requires some background.

This is Armenia's 2nd drone war.

See Armenian troop reaction here -

3/ Yet the Armenians are doing far worse than the last time they fought Azeri suicide drones.

Hero loitering munition (Israeli)

Harop loitering munition (Israeli)
Read 25 tweets
11 Oct
2/ The issue of sea versus airpower goes back to the B-17 in the 1930's.

The B-17 simply could not replace seapower then anymore than the B-21 can in the 2020's.

This is an issue of medium and military roles in those mediums. ImageImageImageImage
3/ Sea control requires 24/7 persistence and persistence at sea is measured largely by keeping sea water out of your hull.

Air persistence is measured by how long you can maintain powered thrust in an airframe.

Ships can sprint & drift...plus get towed.
Read 24 tweets
9 Oct
@ChrisCardsFan @CBI_PTO_History It was more 81st ID than USMC, with Cableway and Tramway tech.


History Friday: 81st ID’s Peleliu Lessons for MacArthur’s Invasion of Japan
August 23rd, 2013
chicagoboyz.net/archives/38212… ImageImage
@ChrisCardsFan @CBI_PTO_History From the closing section of the piece:

"This Sixth Army mass deployment of cableway and tramway devices would amount to a large technological surprise to the Imperial Japanese Army as American logistical units would be able to both move large amounts of men and material...
@ChrisCardsFan @CBI_PTO_History ...up and down mountain sides and across valley’s without roads."
Read 4 tweets
4 Oct
1/ This is is a thread on the implications on the proliferation of armed medium altitude long endurance (MALE) drones based on the on-going Azeri-Armenian war.
2/ A Russian language channel on youtube called "Lost Armor" has a "best hits" compilation of the Azeri drone strikes on Armenian military assets.

3/ The main killer in those videos are the Turkish Roketsan MAM-L and MAM-C laser guided munitions fired from the Bayraktar TB2 drone.

This is the Roketsan marketing video:

Read 29 tweets
1 Oct
@CBI_PTO_History Justin,

You have no idea how useful that Japanese search sector map is in understanding SWPA radar deployments and especially putting Operation Chronicle in context.

chicagoboyz.net/archives/42554… ImageImageImageImage
@CBI_PTO_History This is the Allied Solomons radar site map. Image
@CBI_PTO_History The Allies were strangling Japanese aerial surveillance with their radar deployments.

Where there was Allied radar coverage there were Allied fighters.
Read 5 tweets
30 Sep
@SiriusAstro @BO3673 @IdleMrBridle @BuddNicholas @bermicourt @crusaderproject The US Army in WW2 North Western Europe had a bigger stock of spare parts to repair destroyed tanks than it did replacement tanks...and it did not have enough spares.

403a - Cables – In Log, ETOUSA (Gen Lee), Dec 23-31, 1944

Subject: Twelfth Army Group requirements for
@SiriusAstro @BO3673 @IdleMrBridle @BuddNicholas @bermicourt @crusaderproject ... medium tanks with 75 and 76 millimeter guns from present date to 1 February 1945.

Status of medium tanks, M4, with 75 and 76 millimeter guns in this command as of 16 December 1944 was as follows:

a. Table of Equipment authorization - 2,702
b. Authorized 30 day reserve – 298
@SiriusAstro @BO3673 @IdleMrBridle @BuddNicholas @bermicourt @crusaderproject c. Table of Equipment authorization plus authorized reserve - 3,000
d. Serviceable tanks on hand - 135
e. Unserviceable tanks on hand – 59
f. Estimated combat losses from 16 December 1944 to 1 February 1945 - 600
These facts indicate a total requirement to 1 February 1945...
Read 7 tweets

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