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National Redoubt (Switzerland)

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Plan of the defence lines of the National Redoubt[citation needed]

The Swiss National Redoubt (Template:Lang-de; Template:Lang-fr; Template:Lang-it; Template:Lang-rm) is a defensive plan developed by the Swiss government beginning in the 1880s to respond to foreign invasion. In the opening years of the Second World War the plan was expanded and refined to deal with a potential German invasion. The term "National Redoubt" primarily refers to the fortifications begun in the 1880s that secured the mountainous central part of Switzerland, providing a defended refuge for a retreating Swiss Army.

The National Redoubt encompassed a widely distributed set of fortifications on a general east–west line through the Alps, centering around the major fortress complexes of St. Maurice, St. Gotthard, and Sargans. These fortresses primarily defended the alpine crossings between Germany and Italy and were outside the industrialized and populated regions of Switzerland. These regions were defended by the "Border Line", and the "Army Position" somewhat farther back. While not intended as an impassable barrier, these lines contained significant fortifications, but the National Redoubt was planned as a nearly impregnable complex of fortifications that would deny an aggressor passage over or through the Alps by controlling the major mountain passes and railway tunnels running north-to-south through the region. This strategy was intended to deter an invasion altogether by denying Switzerland's crucial transportation infrastructure to an aggressor.

The National Redoubt has been the subject of debate in Swiss society, with many fortifications decommissioned by the early 21st century.

Swiss Alps

Main article: Military history of Switzerland
Camouflaged cannon beside the Lago di Lucendro. It has a 105 mm calibre and fires up to range of 17 kilometres (11 mi).

The concept of "réduit" is a recurring theme in Swiss defence theory. Having stayed neutral during World War II, Switzerland retained the concept for its plans of resistance against a putative Soviet invasion during the Cold War, when it became a strong influence on the Swiss concept of neutrality.

History

Fortification of the Swiss alpine region began in the 1880s, shortly after the opening of the Gotthard railway. Forts similar to those of Belgian military engineer Henri Alexis Brialmont were built at Airolo, the Oberalp Pass, Furka Pass, and Grimsel Pass, all in the Central Alps. Additional positions were constructed in the area of Saint-Maurice, using mining and tunneling techniques in the steep mountainsides of the glacial valley.[1]

In the immediate aftermath of World War I, there was little Swiss interest in further fortifications. However, during the 1930s, as France built the Maginot Line from the Swiss border to the Belgian border and Czechoslovakia built the Czechoslovak border fortifications, Switzerland re-examined its fixed defenses. At the same time, job creation programs became desirable as a result of the worldwide Great Depression.[2] Design work began in 1935, and in 1937 construction began on the expanded Alpine fortifications, the Border Line, and the Army line fortifications.[3]

Guisan plan

General Henri Guisan developed a strategy for the defence of Switzerland that recognised its limited resources in equipment and manpower compared to its potential adversaries. Guisan proposed a delaying strategy in the broken terrain of the borders to keep an invading force out of the open country in the central plateau for as long as possible to allow an orderly retreat to the secured Alpine perimeter. Once the retreat to the Alps was complete, the Swiss government could remain in hiding for an extended time. Accordingly, border fortifications were improved, with major programs along the Rhine and at Vallorbe in the Jura. The strategic Alpine nodes of Saint-Maurice, Saint Gotthard, and Sargans were identified as the primary points of access to the Alpine redoubt for a potential aggressor. While Saint Gotthard and Saint-Maurice had been previously fortified, the area of Sargans was newly vulnerable because of a drainage program of former wetlands along the Rhine that would now provide easy access to the eastern Alpine gateway at Sargans.[2]

World War II

Debate continued over the extent of the redoubt under the Guisan Plan. A proposal was developed by officers from German-speaking cantons, advocating a more compact redoubt. That was overcome by a proposal, authored by Guisan's chief of staff, Colonel Samuel Gonard, whose plan ratified the Saint-Maurice - Saint Gotthard - Sargans strategy, prefaced by a defence in depth. Additional impetus was provided by the fall of France in June 1940. Two days after the French surrender, on 23 June, the border zones were reduced in priority in favor of the "advanced position" or Army Line. The army was shifted to the center of the country, leaving industries and population centres relatively unprotected. The final Guisan Plan, adopted on 12 July 1940, defined an organised retreat to the Alps in which supplies would be stocked for an indefinite resistance with no thought of further retreat. On 25 July 1940, the Swiss defensive plan was disseminated dictating a fallback to the Alps in the event of an Axis attack, focusing in particular on the Gotthard massif and destroying all access points as necessary once inside.[4]

The Redoubt strategy was emphasized on 24 May 1941. Until then, only about two thirds of the Swiss Army had been mobilized. After the swift overrunning of the Balkan countries by the Germans in April 1941, in which relatively-low mountains had proven to be little barrier to the mobile German forces, the entire Swiss army was mobilised. The Swiss, lacking a significant armored force, drew the conclusion that withdrawal to the redoubt was the only sound course. Any actions in the Central Plateau would be delaying actions only. The plan was revealed to the public after Switzerland was surrounded by German and Italian forces, with the so-called Rütli Report, a historic and highly-symbolic meeting of the Swiss Army staff and the entire officer corps at the founding site of the Swiss confederation. In case of attack, the Swiss would defend only the High Alps, including the important transalpine roads and rail links. As a last resort, the army would make the routes useless to the Axis by destroying key bridges and tunnels. The plan meant that the populated lowlands, including the economic centres of the country, would be effectively ceded to the Germans. The gold reserves of the Swiss National Bank in Zürich were moved farther away from the German border to the Gotthard Pass and Berne.[5]

Camouflaged infantry fortification in Sufers (machine gun bastion left, antitank gun right, housing, and connecting tunnel)

The National Redoubt assumed great importance to the Swiss in 1940, when they were entirely surrounded by Axis powers and thus effectively at the mercy of Hitler and Mussolini. The National Redoubt was a way to preserve at least part of Swiss territory in the event of an invasion. The redoubt was to be manned by eight infantry divisions and three mountain brigades;[6] the Swiss practiced for war by imitating the battles occurring around them.[7] Switzerland's redoubt strategy during World War II was essentially one of deterrence. The idea was to make clear to Germany that an invasion would have a high cost. Simultaneously, economic concessions were made to Germany in the hope that the overall cost of a German invasion would be perceived to be higher than the potential benefits. However, it is clear that Hitler intended to invade eventually and that the Allied landing at Normandy and the difficulties faced in invading the Soviet Union were pivotal in merely delaying an invasion.[8] Concessions included a national blackout and the destruction of a secret German radar system that had accidentally landed in Switzerland in exchange for a dozen aircraft.

In its invasion plan, Operation Tannenbaum, Germany planned to capture Geneva and Lucerne, and Italy would capture the Alps; both countries would then divide Switzerland.[7]

Cold War

Swiss policy during the Cold War adopted a more aggressive defence of the borders that relied less on a retreat to the mountains. While Switzerland was again surrounded by an alliance, NATO was not considered a threat to Swiss independence; the Warsaw Pact alliance however was considered a threat. The Swiss strategy sought to exact a high price from any direct ground attack on Swiss territory. Control of the Alpine crossings remained a cornerstone of the Swiss strategy of neutrality. The dense network of passive and active barriers and large and small fortifications allowed considerable flexibility in the disposition of Swiss forces and represented an almost-optimal scenario of defence in depth.[6]

The strategic importance of the Alpine crossings had only increased since the Second World War, and any incursion by Warsaw Pact forces would require them to be taken or for terms for their use to be agreed upon to the satisfaction of Switzerland.[6]

In 1953, Swiss policy was formalized to place greater emphasis on the defence of the borders and population centers and to extend the concept of defence in depth, pioneered in the redoubt, to the entire Swiss territory. That corresponded to an unspoken reliance on co-operation with NATO to secure the flanks of Swiss territory and to resupply Swiss forces, which already purchased equipment from members of NATO. The redoubt, with its determinedly-neutralist connotations, lost priority.[9]

Many billions of francs have been invested in building the fortifications in the mountains, which are partly still used by the army. The most important buildings of the redoubt were the fortifications of Sargans, St. Maurice, and the Gotthard region. At the time, caverns in these areas were equipped with essential military infrastructure. Besides cannons and howitzers, the infrastructure consisted of dormitories, kitchens, field hospitals, rooms for the sick, bakeries, and enough space to accommodate 100 to 600 soldiers for up to several months. Because tensions between the West and the Soviet Union, which later fell, cooled down and bunkers became increasingly obsolete because of newer weapon systems, many of the buildings were closed after the Cold War, in the mid-to-late 1990s and the early 2000s. Some of them have been reopened as museums and can be visited.

The construction of enough civilian nuclear fallout shelters for the entire population was mandate in 1978. New apartment buildings were required to have them on site; others paid for the construction of shelters in common buildings or transport tunnels.[10][11]

Comparison with contemporary projects

The National Redoubt fortifications, when compared to contemporary French, Belgian, German, or Czech fortifications, were much more extensive and heavily armed than the Maginot Line, the Belgian border fortifications, the Siegfried Line, or the Czechoslovak border fortifications. While the Maginot fortifications were typically armed with short-barreled 75mm fortress howitzers or 120mm mortar/howitzers, the Swiss fortifications were armed with 75mm and 120mm guns, upgraded in the 1950s to 105mm and 150mm guns. The Swiss guns were typically casemate-mounted or turret-mounted long guns, not howitzers, and were more akin to naval guns than fortress guns. Because they were typically mounted on inaccessible cliffs or plateaus with an advantage of enfilade over any possible opposing force, they were not exposed to infantry attack or direct artillery fire and could afford to have exposed gun barrels. The French positions, which could be targeted by anti-tank weapons or infantry, avoided any exposed gun tubes.[12]

Fortress St. Gotthard

Airolo positions

Fort Airolo

Fort Airolo 46°31′42.19″N 8°35′21.25″E / 46.5283861°N 8.5892361°E / 46.5283861; 8.5892361, also known as Forte di Airolo, was built between 1887 and 1890 at the southern end of the Gotthard Pass overlooking Airolo. The fort was a compact massif similar to a Brialmont fort, with an encircling ditch defended by caponiers and provided with a twin 120mm gun turret and four 53mm gun turrets for close defence, with five 84mm guns in casemates.[13][14] A 1 kilometre (0.62 mi) tunnel links Fort Airolo to the Gotthard Rail Tunnel. Abandoned by the military in 1947, the fort is maintained as a museum by a preservation group and may be visited.[15][16][17][18]

Battery Motto Bartola 46°32′01.15″N 8°35′17.15″E / 46.5336528°N 8.5880972°E / 46.5336528; 8.5880972 is located just up the hill from Fort Airolo and mounted an additional four 120mm guns.[14][15] The fort, built between 1888 and 1890, also mounted four 84mm guns, with extensive underground galleries linking the firing positions.[19][20][21]

Battery Foppa Grande mounted one 105mm gun in a camouflaged turret above Motto Bartola, with three 20mm anti-aircraft guns. The position featured a mortar battery, installed in 1953. The position was deactivated in 1997 and classified as potentially historical. The position may be visited by prior arrangement.[22]

Fort San Carlo is an artillery fort.[23][24]

Fort Stuei[25]

Saint Gotthard Tunnel South Portal monitored the original south entrance to the Gotthard Rail Tunnel. Portions of the original installation remain, but the tunnel entrance has been extended to the south and the historic portal no longer exists. These positions were built in 1886-87 and represent the first modern fortifications in Switzerland. A gallery (a long horizontal tunnel) links the main tunnel positions back to Fort Airolo.[26]

St. Gotthard Pass positions

Redoubt Hospiz 46°33′24.20″N 8°34′06.37″E / 46.5567222°N 8.5684361°E / 46.5567222; 8.5684361, also known as Forte Ospizio, was built in 1894 and operated until 1947 near the summit of the Gotthard Pass. The fort mounted two single 120mm gun turrets.[14][27] The fort is now operated as a museum and may be visited by the public.[17]

Fort Sasso da Pigna 46°33′31.68″N 8°33′59.50″E / 46.5588000°N 8.5665278°E / 46.5588000; 8.5665278 was built during the early part of World War II, becoming operational in 1943, effectively replacing Redoubt Hospiz. The fort consists of an eastern battery overlooking the Leventina valley and a western battery overlooking the Bedretto valley and the main pass. The main entrance is located just to the north of Fort Ospizio, with 2,400 metres (7,900 ft) of galleries and four 105mm gun positions. A proposed addition of two more guns in the late 1950s never proceeded. The position was used until 1999.[28] It opened to the public as a museum on 25 August 2012.[29]

Infantry positions: A number of small infantry bunkers exist near the top of the pass, most notably Bunker No. 3. Construction took place in three stages: 1886–87, 1892–1920, and 1946–1973. These works exhibit a high quality of workmanship and integration into the landscape.[30][31]

Göschenen

Andermatt

Urseren Valley North

Fort Bühl 46°38′35.45″N 8°35′24.97″E / 46.6431806°N 8.5902694°E / 46.6431806; 8.5902694[32]

Fortin Altkirch 46°38′37″N 8°35′30″E / 46.64361°N 8.59167°E / 46.64361; 8.59167[33]

Fort Bäzberg 46°38′40″N 8°34′38″E / 46.64444°N 8.57722°E / 46.64444; 8.57722[34]

Oberalp Pass

Fort Stöckli 46°39′28.99″N 8°37′17.21″E / 46.6580528°N 8.6214472°E / 46.6580528; 8.6214472[35]

Oberalp infantry positions[36]

Fort Gütsch 46°39′17″N 8°36′53″E / 46.65472°N 8.61472°E / 46.65472; 8.61472[37]

Furka Pass

Fort Galenhütten 46°34′38.24″N 8°23′27.61″E / 46.5772889°N 8.3910028°E / 46.5772889; 8.3910028

Fort Fuchsegg[38]

Fortress St. Maurice

Main article: Fortress Saint-Maurice

Fortress Saint-Maurice encompasses the area around Saint-Maurice in the western, French-speaking portion of Switzerland. The Rhône leaves the central Alpine region through a narrow defile, between 4,000 metres (13,000 ft) mountains to the south and 3,000 metres (9,800 ft) mountains to the north. The only comparatively easy access to the upper Rhône valley, and thus to the western National Redoubt, is through Saint-Maurice. Fortress Saint-Maurice is a series of fortifications set into the mountains on either side of the valley, dominating the region as far as Lake Geneva with their artillery. The principal fortification is the enormous Fort de Dailly, supported by forts Savatan, Fort du Scex, and Fort de Cindey, as well as lesser positions. The extent of the area designated as Fortress Saint-Maurice is not clearly defined, but according to the Association Fort de Litroz, the Saint-Maurice sector comprises the Rhône narrows from just north of Saint-Maurice to Martigny, excluding Chillon and Champillon, as well as the fortifications of the lateral valleys.[39] However, the effective control of the Saint-Maurice positions extended from Lac Léman to the Great Saint Bernard Pass.[6]

Fortress Sargans

Fortress Sargans comprises six major fortifications centered on the town of Sargans in St. Gallen canton.

First Rhine Barrier Forts

Fort Schollberg

Fort Anstein

Major Forts

Fort Magletsch is as of 2012 still in use by the Swiss military. Shut down in 2017

Fort Castels is as of 2012 still in use by the Swiss military. Shut down in 2017

Fort Furggels

Fort Passatiwand

Southern Forts

Fort Molinära

Fort Haselboden

Second Rhine Barrier Forts

Fort Tschingel

Fort Nusslock

Fort Tamina Ragaz

(Sources:[40][41])

Modernization

The Redoubt positions and others in Switzerland were augmented by the Bison project, which involved the installation of anti-tank guns in new bunkers at key locations to provide a modernized pre-positioned force capable of defeating modern armor. A project to install automatic 120mm mortars was completed in 2003.[42]

Army strength reductions

In 1995, the Swiss army was reduced from 750,000 troops to 400,000. By 2004, army strength was 120,000, with 80,000 proposed by 2020.[42]

Fate

Debate continues over the usefulness of the Redoubt and other Swiss fortifications. In October 2010, Defense Minister Ueli Maurer proposed closing many of the positions after mitigating environmental issues and assuring permanent safety. A decommissioning program was expected to cost as much as a billion francs.[42] In 2011, Maurer estimated costs to close down the system safely at more than $1 billion. Some of the facilities have been leased or sold as digital data repositories.[43]

A Mirage IIIRS in front of the aircraft cavern Y in Buochs

Because the Réduit strategy was essentially one of deterrence, part of it was overt and public, and played a part in the so-called "intellectual defence of the homeland", or Geistige Landesverteidigung attempting to improve the morale and cohesiveness of the Swiss nation. The Réduit strategy's use as a deterrence/propaganda tool continued through the cold war. In 1964, the army's pavilion at the Swiss Fair (Landesausstellung) in Lausanne had the shape of a giant Czech hedgehog made of concrete.[citation needed]

The Réduit features at the center of Swiss writer Christian Kracht's 2008 dystopian novel Ich werde hier sein im Sonnenschein und im Schatten.[citation needed]

Nation-wide removal of Cold War-era demolition explosives on hundreds or thousands of bridges and other structures such as the Holzbrücke Bad Säckingen covered bridge was completed by December 2014.[44]

The village of Mitholz is expected to be evacuated for 10 years starting in 2030 to accommodate safe removal of unexploded ordnance in a nearby depot which partly exploded in 1947.[citation needed]

See also

Notes

  1. ^ Kauffmann, p. 152
  2. ^ a b Kauffmann, p. 153
  3. ^ Kauffmann, p. 154
  4. ^ Kauffmann, p.159
  5. ^ National Defense Speeded by Swiss by C.L. Sulzberger in The New York Times, July 24, 1938. page 16.
  6. ^ a b c d Andrey, Dominique (15 June 2006). "Le " Réduit national "". Évolution de la valeur opérative du secteur alpin suisse (in French) (243). Revue Historique des Armees: 41–50. Retrieved 6 January 2011.
  7. ^ a b McPhee, John (1983-11-07). "La Place de la Concorde Suisse-II". The New Yorker. p. 55. Retrieved 22 July 2013.
  8. ^ Let's Swallow Switzerland by Klaus Urner (Lexington Books, 2002).
  9. ^ Soutou, Georges-Henri (15 June 2006). "L'organisation de la défense helvétique vue par les Français". La IVe République et l'évolution de la politique de neutralité armée de la Suisse à l'époque de la guerre froide (in French) (243). Revue Historique des Armees: 71–88. Retrieved 6 January 2011.
  10. ^ Self Sabotage: The Swiss Strategy of Rigging Vital Infrastructure to Explode
  11. ^ The Secret Military Plans Switzerland Put In Place to Survive the Cold War
  12. ^ Mary, Jean-Yves; Hohnadel, Alain; Sicard, Jacques (2003). Hommes et Ouvrages de la Ligne Maginot, Tome 2 (in French). Histoire & Collections. p. 98. ISBN 2-908182-97-1.
  13. ^ "Museo Forte Airolo (Militärhistorisches Museum in Airolo)" (in German). Ospizio San Gottardo. Retrieved 2 January 2011.
  14. ^ a b c Kauffmann pp. 157-158
  15. ^ a b "Das Fort Airolo am St. Gotthard" (PDF) (in German). Associazione Amici del Forte Airolo.
  16. ^ Schneider, Hans Rudolf. "Artilleriewerk Forte Airolo". festung-oberland.ch. Retrieved 2 January 2011.
  17. ^ a b "Altre opere del San Gottardo" (PDF). Monumenti militari nel Cantone Ticino (in Italian). Swiss Ministry of Defense, Public Protection and Sports. p. 38. Retrieved 6 January 2011.
  18. ^ Schneider, Hans-Rudlf. "Artilleriewerk Forte Airolo" (in German). festung-oberland.ch. Retrieved 7 January 2011.
  19. ^ Schneider, Hans Rudolf. "Artilleriewerk Motto Bartola" (in German). festung-oberland.ch. Retrieved 2 January 2011.
  20. ^ "Sbarramento San Gottardo – Motto Bartola" (PDF). Monumenti militari nel Cantone Ticino (in Italian). Swiss Ministry of Defense, Public Protection and Sports. p. 34. Retrieved 6 January 2011.
  21. ^ Schneider, Hans-Rudlf. "Artilleriewerk Motto Bartola" (in German). festung-oberland.ch. Retrieved 7 January 2011.
  22. ^ Schenider, Hans Rudolf. "A8370 Artilleriewerk Foppa Grande" (in German). festung-oberland.ch. Retrieved 2 January 2011.
  23. ^ Burkhardt, Hansjakob. "AW San Carlo". Monumenti militari nel Cantone Ticino (in German). Swiss Ministry of Defense, Public Protection and Sports. p. 34. Retrieved 6 January 2011.
  24. ^ Schenider, Hans Rudolf. "A8390 Artilleriewerk San Carlo" (in German). festung-oberland.ch. Retrieved 2 January 2011.
  25. ^ Schenider, Hans Rudolf. "A8350 Artilleriewerk Stuei" (in German). festung-oberland.ch. Retrieved 2 January 2011.
  26. ^ "Sbarramento San Gottardo - entrate gallerie" (PDF). Monumenti militari nel Cantone Ticino (in Italian). Swiss Ministry of Defense, Public Protection and Sports. p. 32. Retrieved 6 January 2011.
  27. ^ "Museo Forte Ospizio San Gottardo" (in German). Ospizio San Gottardo. Retrieved 2 January 2011.
  28. ^ Schenider, Hans Rudolf. "A8385 Artilleriewerk Sasso da Pigna" (in German). festung-oberland.ch. Retrieved 2 January 2011.
  29. ^ "Sasso San Gottardo". www.museums.ch. Retrieved 2019-09-07.
  30. ^ Schneider, Hans-Rudlf. "Gotthard-Südportal (Airolo)" (in German). festung-oberland.ch. Retrieved 7 January 2011.
  31. ^ "Sbarramento al passo del San Gottardo" (PDF). Monumenti militari nel Cantone Ticino (in Italian). Swiss Ministry of Defense, Public Protection and Sports. p. 36. Retrieved 6 January 2011.
  32. ^ Schneider, Hans-Rudlf. "A8675 Artilleriewerk Bühl" (in German). festung-oberland.ch. Retrieved 7 January 2011.
  33. ^ Schneider, Hans-Rudlf. "A8665 Infanteriewerk Altkirch" (in German). Retrieved 7 January 2011.
  34. ^ Schneider, Hans-Rudlf. "Artilleriewerk Bäzberg" (in German). festung-oberland.ch. Retrieved 7 January 2011.
  35. ^ Schneider, Hans-Rudlf. "Artilleriewerk Stöckli" (in German). Retrieved 7 January 2011.
  36. ^ Schneider, Hans-Rudlf. "Oberalp UR" (in German). Retrieved 7 January 2011.
  37. ^ Schneider, Hans-Rudlf. "A8685 Artilleriewerk Gütsch" (in German). Retrieved 7 January 2011.
  38. ^ Schneider, Hans-Rudlf. "A8630 Artilleriewerk Fuchsegg" (in German). Retrieved 7 January 2011.
  39. ^ "Le dispositif fortifie" (in French). Association Fort de Litroz. Retrieved 4 January 2011.
  40. ^ "Swiss Reveal Secret World: Their Defense From Nazis". New York Times. July 25, 1999. Retrieved 28 December 2010.
  41. ^ Herren, Andreas P. "Swiss Fortress Sargans (Festung Sargans) - May 10, 1940". Tannenbaum 1940. Retrieved 28 December 2010.
  42. ^ a b c Stephens, Thomas (October 22, 2010). "Military bunkers face their Waterloo". swissinfo.ch. Retrieved 17 January 2011.
  43. ^ Solomon, Christopher (January 19, 2011). "Swiss Weigh Future Role of Bunkers in the Alps". The New York Times. New York Times. Retrieved May 31, 2012.
  44. ^ Multiple Swiss sites finally rid of tons of TNT

References

  • Kauffmann, J.E., Jurga, R., Fortress Europe: European Fortifications of World War II, Da Capo Press, USA, 2002, ISBN 0-306-81174-X.

German-language references

  • Hans-Rudolf Maurer (Hrsg.): Geheime Kommandoposten der Armeeführung im Zweiten Weltkrieg: Projekte, Bauten und der Mobile Kommandoposten. Verlag Merker im Effingerhof, Lenzburg 2001, ISBN 3-85648-120-6
  • Willi Gautschi: General Henri Guisan: Die schweizerische Armeeführung im Zweiten Weltkrieg. 4. Auflage. Verlag NZZ, Zürich 2001, ISBN 3-85823-516-4
  • Roberto Bernhard: Das Reduit. Mythen und Fakten ; militärischer Notbehelf, Rettungsanker der Nation, Mythos, Gegenmythos. Institut Libertas, Biel/Bienne 2007, ISBN 3-9521464-4-7
  • Inventar der Kampf- und Führungsbauten. Bern: Eidg. Dep. für Verteidigung, Bevölkerungsschutz und Sport, Bereich Bauten. 11-teiliges Werk, erschienen zwischen 1999 und 2006.
Individual portions are on line at armasuisse.ch, for example the cantons of Glarus, AI/AR and St. Gallen n Archived 2007-08-10 at the Wayback Machine
  • Hand Rudolf Fuhrer, Walter Lüem, Jean-Jacques Rapin, Hans Rapold, Hans Senn: Die Geschichte der schweizerischen Landesbefestigung. Zürich: Orell Füssli, 1992. ISBN 978-3-280-01844-6

Further reading

  • John McPhee (1984). La Place de la Concorde Suisse. Farrar, Straus and Giroux. ISBN 978-0374182410.
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