THE KHALKIN GOL BATTLE
Article published on 19
March 2022
The battle at Khalkin Gol River (Mongolia)
took place on 20 August 1939 and it was the decisive fight during the military
conflict between USSR and Japan. The military campaign began on 11 Mai 1939 and
ended on 16 September 1939, when the belligerents sign a truce.[1]
The
Japanese attack against Mongolia was a natural continuation of the aggressive
expansion in neighboring countries, after the empire occupied large areas of
China. Due to the economic development, the Japanese Empire was looking for
resources. The target was obvious: Siberia. At the USSR border, the Japanese
Forces provoked incidents, starting with 1935. The conquest of Mongolia was
just a step of a broader strategic plan. This country did not have enough
forces to resist. Realizing the danger, the USSR leaders signed a mutual
agreement with Mongolian counterparts, in 1936.[2]
The
Japanese offensive in Mongolia started with small scale actions against
Mongolian Forces. The firm intervention of the Soviet Forces stopped the
Japanese offensive and made the Japanese military leaders to send a numerous
invasion force, consisting of more than 30,000 troops, which, lately, receive
reinforcement. After a series of intense fights, the front line stabilized
along Khalkin Gol Rivers. Both adversaries began to consolidate their
operational capabilities, and the Japanese troops performed some offensive
actions against the Soviets, but did not achieve any noticeable result. In the
morning of 20 August, Soviet troops, supported by Mongolian units, started a
giant offensive operation, using 57,000 troops, 500 tanks and 550 planes. The
Japanese losses were huge[3]:
according to some sources, it was about 55,000 military men[4]). The
soviet success based on three factors:
1.
The surprise was big. The Japanese troops did not expect the Soviet offensive
at all.
2.
The Japanese troops were preparing for offensive, that is why they were
vulnerable.
3.
Naturally, the Mongolian soldiers knew the terrain very well.
The
most important factor of the above mentioned ones is the surprise. Theoretically,
the preparations for an offensive operation involving more divisions cannot be
concealed, especially when tanks, APCs, heavy artillery assets and planes are
used and the terrain is smooth. How did the Soviets succeed to trick the
Japanese forces?
They
used several deception techniques, based on a detailed deception plan. The most
significant techniques were:
Ø The
usage of blacked out vehicles to move forward during the hours of limited
visibility, from the railway station to the front line;
Ø During
the daylight, the transportation vehicles moved back, to the railway stations,
gave the appearance to the Japanese scouts and observation aircrafts that
forces were leaving the area, not coming into the area;
Ø The
employment of special loud speakers mounted on trucks; they played prerecorded
sounds of armored vehicles movement from the front line to the rear; sounds of
soldiers building defensive works were also played over loud speakers in
multiple areas;
Ø Soviet
soldiers received handbook which taught them how to act during a long term
defensive operation; these handbooks were captured and sent to the Japanese
Intelligence branch;
Ø Use
of disinformation by using false troop movement reports on Soviet Army Group
internal radio and communication networks; the radio messages were intercepted
by Japanese SIGINT units.[5]
The
surprise was big. The deception plan worked. The defeat was catastrophic for
Japanese forces. Basically, this was a trap. The Soviets let the Japanese Army
believe that they were weak.
What
were the consequences?
The
next day after the truce, Soviet forces entered Poland. The Japanese Emperor
and the Japanese leaders lost their confidence in the Army. They decided to
expand the empire to the East, in the Pacific Ocean. The most important, they
hesitated to attack USSR in a very favorable period, in December 1941, when
German Army was fighting at the gates of Moscow.
[1] Amnon Sella, Khalkin-Gol: The Forgotten War, Journal of Contemporary
History, Vol. 18, No. 4, Military History (Oct., 1983), pp. 651-687.
[2] Article The
decisive Battle at Khalkhin Gol, on-line publication MontSame,
on Internet at https://www.montsame.mn/en/read/274078.
[3] Article Battle
of Khalkhin Gol, World War II Database, on Internet at https://ww2db.com/battle_spec.php?battle_id=89.
[4] LTC Michael C. Manner,
US Army, Soviet Application of
Operational Art in the Khalkhin Gol Campaign, May-August 1939, School of Advanced Military Studies US Army Command and
General Staff College Fort Leavenworth, KS, 2018, on Internet at https://apps.dtic.mil/sti/pdfs/AD1087268.pdf.
[5] Ibidem.
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