@CBI_PTO_History @maltby1941 Kenney is one of those really polarizing personalities because he was literally the most innovative USAAF flag rank leader in WW2. This made him an existential threat to both the US Navy and the bomber barons as a post WW2 USAF Chief of Staff.

Kenney also cheesed off MID G-2
@CBI_PTO_History @maltby1941 You literally cannot trust anything people say about the man without checking primary sources not only for the SWPA, but for what the USAAF Bomber Barons were saying at the same time.

Overclaims, are and sea, are the usual stick to beat up Kenney.
@CBI_PTO_History @maltby1941 1. Compare Kenney's air to air claims in 1943 to 8th & 15th AF bomber air to air claims.

Kenney's claims were in the usual six to one

The Bomber Generals in the ETO/MTO were anywhere from 15 to 100 to one wrong in their air to air claims & knew they were lying because of Ultra.
@CBI_PTO_History @maltby1941 Kenney did not have that level of Ultra penetration of Japanese codes by Central Bureau in the same period.

The Bismarck Sea over claims get into the post-WW2 flag rank "drug deal" known as "JANAC."
@CBI_PTO_History @maltby1941 JANAC cuts off ship tonnages below 500 tons. I wrote about it in 2013 here:

MacArthur, JANAC, and the Politics of Military Historical Narrative
chicagoboyz.net/archives/38557…
@CBI_PTO_History @maltby1941 Overall -- per Naval Aviation Combat Statistics of World War 2 -- about 43.3% of all attack sorties on shipping during the war by USN aircraft in WW2 were against targets under 500 GRT.

All tonnage for ships like 280~ GRT trawler HMT Alvis taken over by the Royal Navy in 1940...
@CBI_PTO_History @maltby1941 ...were thrown out of the "official" tonnage sunk in WW2.

This tonnage 'line drawing' was very much aimed at Gen. Kenney's post war career because of the density of shipping of that class in the SWPA.
@CBI_PTO_History @maltby1941 This photo shows the routes of Japanese barge and below 500 ton ship traffic at the time of the Battle of the Bismarck Sea.

So, yes Kenney over claimed...but no, he was not 'bombastically over the top.'

The 5th AF USSBS has a passage about shipping this sized and MacArthur's...
@CBI_PTO_History @maltby1941 ...SCAP surrender reports get into that as well.

Japanese merchant ships were:

o 642 ships larger than 500 tons with 1.268 million gross shipping tonnage (GST),
o 1461 ships between 500 and 100 tons with 253, 000 tons GST and
o 11,400 (!) ships under 100 tons with 301,000 GST.
@CBI_PTO_History @maltby1941 This was the blog post where I identified this JANAC "drug deal" --

American High Command Politics, Sea Mining and the Invasion of Japan
chicagoboyz.net/archives/38592…

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More from @TrentTelenko

25 Jan
This thread is on Section 22's role in the Nov 3 1943 raid by Saratoga & Princeton on the IJN cruiser force assembled at Rabaul to stop the Bougainville invasion & radar threads leading else where.

It is at the 49 to 54 min. in this podcast. /1

the-bilgepumps.simplecast.com/episodes/bilge…
Adm. Halsey's raid was a strategic gamble because the pending Central Pacific landing at Tarawa had robbed him of his battleships and cruisers.

All he had were Saratoga and Princeton. /2

en.wikipedia.org/wiki/Bombing_o…
But while it was a strategic risk for Halsey.

It was a very...calculated...one, thanks in large part to GHQ SWPA Section 22's radar intelligence of Rabaul. /3
Read 23 tweets
21 Jan
This thread is about how WW2 Japanese radar technique evolved under the threat of GHQ, SWPA Section 22 radar hunting aircraft.

This photo shows Sec 22 radar hunting coverage from the month of Nov. 1944 /1
This was how the Japanese were camouflaging their Type 13 radars in November 1944. /2
This is Section 22 Hunter-killer Ferret "Beautiful Ohio." /3
Read 10 tweets
30 Dec 20
@t3narrat0r Here is a good place to start:

THE OFFICIAL HISTORY OF THE R.A.A.F.
DIRECTORATE OF TELECOMMUNICATIONS AND RADAR
BY W/CDR, G. F. GATES

IONOSPHERIC ORGANISATION.
groups.google.com/g/rec.aviation…
@t3narrat0r This document is hard core ionospheric radio propagation. It was published in 1948 and refers back to WW2 in sections.

Circular of the Bureau of Standards no. 462: ionospheric radio propagation
archive.org/details/circul…
@t3narrat0r This is the best single source on the Interservice Radio Propagation Laboratory's work on H/F radio in WW2

Developments in Radio Sky-Wave Propagation Research
and Applications During the War*
Proceedings of the IRE ( Volume: 36, Issue: 2, Feb. 1948)
ieeexplore.ieee.org/document/16976…
Read 11 tweets
26 Nov 20
@James1940
@Alan_Allport
@JonathanBoff
@AdrianGregory20
@HGWDavie
@mark4harrison
@ProfGSheffield

1/ This thread is addressing why invading Italy was Strategically & Operationally necessary for the Allies in WW2.
2/If you are going to look at the latest historical research Battle of Sicily, you have to start with Dr. Gregory Hospodor lecture here:

Bitter Victory? The Allied Campaign for Sicily Revisited
Image
3/And this for the Italian land campaign.

Cirillo makes clear Southern Italian air bases were gold for the strategic bombing campaign.

The Ground War in Italy (2014)
Col. Roger Cirillo
Image
Read 18 tweets
28 Oct 20
@KtunaxaAmerika @crusaderproject @bermicourt @sommecourt @NavalAirHistory @JanTattenberg @JeffCRutherford @mike_bechthold @AlexFitzBlack @GeorgeMCR01 @garius 1/ Okay, I went to the US Army's Signal Corps branch pub, the Army Communicator, at this link, to pull the history of WW2 German Army NVIS use to answer some challenges from yesterday.

See URL:
cybercoe.army.mil/AC/archive.html
@KtunaxaAmerika @crusaderproject @bermicourt @sommecourt @NavalAirHistory @JanTattenberg @JeffCRutherford @mike_bechthold @AlexFitzBlack @GeorgeMCR01 @garius 2/ The next few tweets use information and screen captures from articles in the Winter 2004 issue of the Army Communicator that you can find at the previous link.

The German Army was using NVIS HF radio on armored cars in 1935.
@KtunaxaAmerika @crusaderproject @bermicourt @sommecourt @NavalAirHistory @JanTattenberg @JeffCRutherford @mike_bechthold @AlexFitzBlack @GeorgeMCR01 @garius 3/ By 1938, the Germans were moving to much bigger armored cars to support HF radios with both NVIS & Skywave antennas, so they could execute long range reconnaissance in support of their mobile doctrine.

The FuG-10 radio used for NVIS HF coms was not small nor light.
Read 23 tweets
27 Oct 20
@KtunaxaAmerika @crusaderproject @bermicourt @sommecourt @NavalAirHistory @JanTattenberg @JeffCRutherford @mike_bechthold @AlexFitzBlack @GeorgeMCR01 @garius >>Would y’all say that Rommel is overrated?

No...but context is needed to understand the nature of his victories in North Africa.

German mobile forces were operating with a superior signals system based on near vertical incident skywave (NVIS) transmission.

See photos: ImageImageImage
@KtunaxaAmerika @crusaderproject @bermicourt @sommecourt @NavalAirHistory @JanTattenberg @JeffCRutherford @mike_bechthold @AlexFitzBlack @GeorgeMCR01 @garius Basically a vehicle with an NVIS antenna and a high frequency radio could communicate reliably with another such vehicle out to 200 km.

This enabled the Germans to coordinate by radio at much longer distances than the 8th Army who did not use similar signals gear. ImageImage
@KtunaxaAmerika @crusaderproject @bermicourt @sommecourt @NavalAirHistory @JanTattenberg @JeffCRutherford @mike_bechthold @AlexFitzBlack @GeorgeMCR01 @garius That superior mobile operations radio range from NVIS was also tied into a really effective signals intelligence system that informed German commanders of Allied dispositions.

German armored car recon units could be steered to allied ground units SIGINT.

weaponsandwarfare.com/2020/08/13/ger… Image
Read 5 tweets

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