Following Jimmy Doolittle's B-25 raid on the Japanese homeland on
April 9, 1942, the
JAAF beefed up its home defense formations, with the result that the
47th Independent Chutai was called back to Japan. Similarly, JAAF
squadrons in China were moved about as part of an effort to roll
back the line of airfields that Chennault and the Chinese had
established within striking distance of Japan. The squadrons in
Burma were also repositioned as a result of the new realities
there.
By the beginning of April, the motorized 56th Division on the
Japanese right flank was in
position to threaten Lashio, the last Allied stronghold in Burma.
The plan was to prepare its entry by the use of parachute troops, which were being trained at
Pnhom Penh in Cambodia. On April 12, they landed at Rangoon and
were attached to the 5th Hikodan at Mingaladon airport. Their
orders were to land and capture Lashion on April 29--the Emperor
Hirohito's birthday. The drop would consist of 440 jumpers in
40 license-built Lockheed transports, built by Kawasaki and
designated "Type LO." The unit's
heavy gear would be dropped by 9 Sally bombers serving as cargo planes.
In the center, the 55th Division advanced north along the Sittang
River into Pynima with the help of the 50th
Sentai fighters and 8th Sentai medium bombers in close
cooperation. By April 20 the front had moved far enough that the
the 64th Sentai Hayabusas and the 98th Sentai
heavy bombers were able to take up residence at Toungoo airfield, the former
AVG base on the Sittang River, moving there from their previous bases
in Thailand.
And on the left flank the 33rd Division captured
Magwe airfield on April 17 and the Yennanyuang oilfields on April
20. That enabled the 77th Sentai fighters and the 31st Sentai
light bombers to take up new quarters at Magwe, recently evacuated
by the Allied air squadrons. Also at Magwe was the 70th Independent
Chutai, probably a ground-cooperation squadron. The plan for cleaning
the Allies out of Burma was "all on schedule," wrote a Japanese
historian.
Except for occasional skirmishes with the enemy air force, most
JAAF activity during these two weeks focussed on supporting the
ground forces as they finished the conquest of central Burma. While
of great interest to the men involved, I'm
skipping these battles since they didn't involve air-to-air combat
with the AVG--which,
for its part, was also concentrating on carrying out ground-support
missions for the Chinese army. The Japanese records do confirm that
the AVG shot down a handful of reconnaissance and ground cooperation
aircraft during this period, but there are no details
because there were no witnesses.
The "Emperor's Birthday" shoot-out
In preparation for the airborne assault on Lashio, Colonel Kato's 64th Sentai
probed that city on the three preceding days. On April 28, 20
of his Hayabusa fighters also escorted 24 Sally bombers from the 12th
Sentai with the intention of bombing Loiwing. Meanwhile, the paratroops
moved up to Toungoo by rail, ready for their big day on the 29th.
[This activity set the stage for
what the AVG believed was one of its greatest victories over the
Japanese in Burma. Later, Chennault would write that the battle
represented a JAAF effort to achieve a big Emperor's Birthday victory
for Hirohito. That it took place a day before the actual date, he
explained as a Japanese effort to achieve surprise. Forseeing exactly
this, he wrote, he positioned his squadrons to meet them at Lashio.
According to the AVG tally, 13 "Zeroes" were shot down in a wide-ranging combat,
with no losses to the Tomahawks and Kittyhawks engaged.]
Seen from the Japanese viewpoint, April 28 was indeed a defeat,
but it was far from the rout shown in the AVG records.
The escorting Hayabusas were at 3,000 meters when they sighted
12 P-40s catching up to them from approximately 1,000
meters behind and an estimated 2,400 meters above. [In fact, there
were 10 Tomahawks and 4 P-40E Kittyhawks at various atltitudes.
The first to engage was Tex Hill's of Kittyhaws; Hill
reported that he spotted the Japanese formation below him and
on the reciprocal course. As he led his element down to attack
the bombers, he
saw six "Zeros" drop their auxiliary fuel tanks and turn to
meet him.
As the Japanese reported the engagement, the four trailing
Hayabusas immediately began to spiral
up to meet the attackers, while the Ki-21 "Sallys" began their
bombing run. [Among the Allied aircraft on the ground that day was
a Douglas C-47 piloted by Colonel Robert Scott, who later commanded
the 23rd Fighter Group that succeeded the AVG in China.] This
was the sentai's 3rd Chutai under the command of Captain KUROE Yasuhiko
(shown at left),
formerly of the 47th Independent Chutai. He had stayed in Burma
when his squadron was ordered home, and he was replacing
Captain ANMA, killed at Loiwing on April 8. A veteran of air combat
in China and in the Nomonhan border
war with Russia, Kuroe would end the war as one of the JAAF's
leading aces, credited with 30 victories; postwar, he would be a jet
pilot and group commander in the Japan Self Defense Force,
only to be killed in a fishing accident.
In the battle, the Hayabusa flown by Corporal HIRANO was apparently
hit in one wing [Tex Hill and Lew Bishop both claimed in this
encounter] with the result that the wing came off.
According to his squadron mates, Hirano's plane was shot up by one P-40 and
then collided with another; but there was no such collision, and
almost certainly the plane was crippled by the same structural
weakness that had caused Hayabusas to shed wings from the
first day of the war. Hirano bailed out, landed safely, and eventually joined up with
the advancing 56th Division ground troops.
Later, Capt. Kuroe and his remaining two pilots encountered a pair
of P-40s, which feinted toward him and then turned away toward a
lone Hayabusa. This was the plane flown by 1st Lt KATAOKA Masashi of
the 3rd Chutai, who had broken flight discipline and left his
squadron in search of enemy aircraft. He was shot down and killed.
[The P-40s might have been flown by Parker Dupouy and Tom
Haywood, or perhaps by Paul Greene and R.T. Smith. Both flights
claimed a "Zero" in a situation just like this one. Kataoka was
a graduate of the 53rd class of the Japanese Army Military Academy,
where he learned to fly.
Back at Toungoo, Capt. Kuroe
apologized to Colonel Kato for
breaking formation to engage the fighters. "We knew you were
battling the enemy," Kato replied, "but we did not come to help
because the principle was to protect the bombers.... Forget
those pilots. Work for the group."
Next day, the Emperor's Birthday jump into Lashio was foiled
by bad weather. Of 100 aircraft that set out from Mingaladon
and Toungoo, only 4 light bombers managed to reach Lashio, to
support the 56th Division when it stormed into the city at noon.