Detached Battalion 4 ( ()) was a
special forces
Special forces and special operations forces (SOF) are military units trained to conduct special operations. NATO has defined special operations as "military activities conducted by specially designated, organized, selected, trained and equip ...
unit of the
Finnish Army
The Finnish Army (Finnish: ''Maavoimat'', Swedish: ''Armén'') is the land forces branch of the Finnish Defence Forces. The Finnish Army is divided into six branches: the infantry (which includes armoured units), field artillery, anti-aircraft ...
during the
Continuation War
The Continuation War, also known as the Second Soviet-Finnish War, was a conflict fought by Finland and Nazi Germany against the Soviet Union from 1941 to 1944, as part of World War II.; sv, fortsättningskriget; german: Fortsetzungskrieg. A ...
and
Lapland War
During World War II, the Lapland War ( fi , Lapin sota; sv, Lapplandskriget; german: Lapplandkrieg) saw fighting between Finland and Nazi Germany – effectively from September to November 1944 – in Finland's northernmost region, Lapland. ...
, serving from July 1943 to November 1944. The battalion was founded under the
Intelligence Division of
Defence Command from the already operational
long-range reconnaissance patrol
A long-range reconnaissance patrol, or LRRP (pronounced "lurp"), is a small, well-armed reconnaissance team that patrols deep in enemy-held territory.Ankony, Robert C., ''Lurps: A Ranger's Diary of Tet, Khe Sanh, A Shau, and Quang Tri,'' revised ...
detachments () created during the
Interim Peace
The Interim Peace ( fi, Välirauha, sv, Mellanfreden) was a short period in the history of Finland during the Second World War. The term is used for the time between the Winter War and the Continuation War, lasting a little over 15 months, from 1 ...
.
History
Long-range reconnaissance patrols (LRRP) were not used during the
Winter War
The Winter War,, sv, Vinterkriget, rus, Зи́мняя война́, r=Zimnyaya voyna. The names Soviet–Finnish War 1939–1940 (russian: link=no, Сове́тско-финская война́ 1939–1940) and Soviet–Finland War 1 ...
of 1939–1940. Immediately after the war ended, training was commenced to create patrol detachments for peacetime intelligence and prepare for a possible war. Most of the recruits were veterans from the Winter War; some were refugees from
East Karelia
East Karelia ( fi, Itä-Karjala, Karelian: ''Idä-Karjala''), also rendered as Eastern Karelia or Russian Karelia, is a name for the part of Karelia that since the Treaty of Stolbova in 1617 has remained Eastern Orthodox under Russian supremacy ...
and
Ingria
Ingria is a historical region in what is now northwestern European Russia. It lies along the southeastern shore of the Gulf of Finland, bordered by Lake Ladoga on the Karelian Isthmus in the north and by the River Narva on the border with Est ...
. Around 150 soldiers were trained and equipped before the Continuation War started on 25 June 1941. Four detachments were mobilized and tasked with missions to destroy enemy personnel and material assets, disrupt supply and communication lines as well as to interrogate prisoners and develop special forces tactics. At first, the detachments comprised only as few as 14 soldiers, but as the war progressed, their ranks were increased up to 40–60 men.
On 1 July 1943, the units were reorganised as companies of Detached Battalion 4 since direct command of the patrols became too consuming for the Intelligence Division. On 23 June 1944, a special operations
aviation unit with amphibious
Heinkel He 115
The Heinkel He 115 was a three-seat World War II ''Luftwaffe'' seaplane. It was used as a torpedo bomber and performed general seaplane duties, such as reconnaissance and minelaying. The aircraft was powered by two 960 PS (947 hp, 720&n ...
transport planes was established to support the battalion with insertions and extractions. Around 350 LRRPs were conducted during the wars. A total of over 650 soldiers served in the patrols during wartime and 90 died or went missing, including 2 from the
Lotta Svärd
Lotta Svärd () was a Finnish voluntary auxiliary paramilitary organisation for women. Formed originally in 1918, it had a large membership undertaking volunteer social work in the 1920s and 1930s. It was formed to support the White Guard. Duri ...
female auxiliaries. The unit played a significant role during the
Battle of Ilomantsi
The Battle of Ilomantsi was a part of the Svir–Petrozavodsk Offensive of the Continuation War (1941–1944). It was fought from 26 July to 13 August 1944, between Finland and the Soviet Union in an area roughly 40 kilometers wide and 30 kil ...
disrupting Soviet supply lines. The battalion was demobilized on 30 November 1944 when the Lapland War came to an effective end. The modern
Utti Jaeger Regiment
The Utti Jaeger Regiment ( fi, Utin Jääkärirykmentti, ()) is the Finnish Army training and development centre for special forces and helicopter operations in charge of the Army Special Forces Unit and the Special Forces Qualification Course.
F ...
was established in Detached Battalion 4's footsteps.
Organisation
The operative units of the battalion were created during the Interim Peace and named after their commanders. They were reformed as companies within Detached Battalion 4 in July 1943:
* 1st Company / Detachment Vehniäinen, base of operations in
Viipuri
* 2nd Company / Detachment Kuismanen, base of operations in
Joensuu
Joensuu (; krl, Jovensuu; ) is a city and municipality in North Karelia, Finland, located on the northern shore of Lake Pyhäselkä (northern part of Lake Saimaa) at the mouth of the Pielinen River (''Pielisjoki''). It was founded in 1848. Th ...
* 3rd Company / Detachment Marttina, base of operations in
Kajaani
Kajaani (; sv, Kajana) is the most populous town and the capital of the Kainuu Region of Finland. It is located southeast of Lake Oulu (Oulujärvi), which drains into the Gulf of Bothnia through the Oulu River (Oulujoki). As of , it had a pop ...
* 4th Company / Detachment Paatsalo, base of operations in
Rovaniemi
Rovaniemi ( , ; sme, Roavvenjárga ; smn, Ruávinjargâ; sms, Ruäʹvnjargg) is a city and municipality of Finland. It is the administrative capital and commercial centre of Finland's northernmost province, Lapland, and its southern part Per ...
* Flight Detachment (or Detachment Jauri), base of operations in
Mikkeli
Mikkeli (; sv, S:t Michel; la, Michaelia) is a town and municipality in Finland. It is located in what used to be the province of Eastern Finland and is part of the Etelä-Savo region. The municipality has a population of () (around 34,000 i ...
– founded 23 June 1944
* Training Center – founded 1 July 1944
See also
*
Erna long-range reconnaissance group
The Erna long-range reconnaissance group ( et, Erna luuregrupp) was a Finnish Army unit of Estonian volunteers, that fulfilled reconnaissance duties in Estonia behind Red Army lines during World War II. The unit was formed by Finnish military i ...
*
Finnish Defence Intelligence Agency
The Finnish Defence Intelligence Agency (, PVTIEDL; ) is the combined signals (SIGINT), geospatial (GEOINT) and imagery intelligence (IMINT) agency of the Finnish Defence Forces. Operational since 2014, its responsibility is to support the defence ...
*
Lauri Törni
Lauri Allan Törni (28 May 1919 – 18 October 1965), later known as Larry Alan Thorne, was a Finnish-born soldier who fought under three flags: as a Finnish Army officer in the Winter War and the Continuation War ultimately gaining a rank of cap ...
*
Sissiosasto/5.D
References
External link
*
{{Portal bar, Finland, World War II
Military units and formations of Finland in World War II
Military units and formations established in 1943
Continuation War
Military special forces battalions