INTRODUCTION
By the end of the 1980's a robust air defense network existed in the Deutschen Demokratischen Republik (DDR). DDR and Soviet air defense units combined to provide a layered air defense network capable of defending the Warsaw Pact's northwestern front. As such, the air defense assets located in the DDR provide an interesting and insightful look into Cold War era air defense.
GENERAL LAYOUT
Strategic SAM systems employed by the DDR included the S-75 Dvina and S-75M Volkhov (SA-2 GUIDELINE), S-125M1A Neva (SA-3 GOA), S-200VE Vega (SA-5 GAMMON), and S-300PMU (SA-10B GRUMBLE). Tactical SAMs included the 2K11 Krug (SA-4 GANEF), 2K12 Kub (SA-6 GAINFUL), and 9K33BM Osa-AK (SA-8 GECKO). Engagement ranges of the strategic assets are as follows:
S-75 Dvina: 34 km
S-75M Volkhov: 43 km
S-125M1A Neva: 25 km
S-200VE Vega: 240 km
S-300PMU: 90 km
In the imagery contained within this article, SAM systems will be identified as follows: tactical SAM garrisons are marked with green circles, S-75 series sites are marked with triangles and red range rings, S-125 series sites are marked with stars and light blue range rings, S-200 series sites are marked with hexagons and purple range rings, the DDR's S-300PMU site is marked with a diamond and a white range ring, and the 64N6 (BIG BIRD) battle management radar site associated with the S-300PMU battery is marked with a square and a blue range ring.
DDR air defenses were organized into two divisions. The 1st Air Defense Division (LVD) consisted of two Air Defense Brigades (FRBr) and one Air Defense Regiment (FRR), while the 3rd LVD consisted of two FRRs and one FRBr. Technical Department 310 controlled two S-75 sites and one S-125 site for training purposes. Also present were 8 tactical SAM regiments.
1ST LVD
The 1st LVD, consisting of the 31st FRR, 41st FRBr, and 51st FRBr, provided coverage of the capital area surrounding Berlin, as well as the DDR's southern flank, as seen in the image below. 31st FRR sites are colored orange, 41st FRBr sites are colored white, and 51st FRBr sites are colored purple.
The 31st FRR consisted of five S-75M sites. The 41st FRBr consisted of six S-75M sites, four S-125M1A sites, and one S-200VE site. The 51st FRBr consisted of five S-75M sites and one S-200VE site. The 41st FRBr and 51st FRBr also controlled four reserve S-75 Dvina sites each. These sites, containing older, shorter-ranged S-75 systems, would be used to increase the capabilities of each regiment during wartime.
The 31st FRR covered the southeastern portion of the DDR, as seen in the image below:
The 41st FRBr covered the capital area surrounding Berlin, as seen in the following image. The four reserve S-75 sites were located along the southwestern portion of the 41st FRBr's area of responsibility.
The 51st FRBr covered the DDR's southwestern flank, as seen in the following image. The four reserve S-75 sites were located in the eastern portion of the 51st FRBr's area of responsibility, along a north-south diagonal stretching from Halle to Chemnitz.
3RD LVD
The 3rd LVD, consisting of the 13th FRR, 23rd FRR, and 43rd FRBR, provided coverage of the DDR's northern flank, as seen in the image below. 13th FRR sites are colored yellow, 23rd FRR sites are colored light blue, and 43rd FRBr sites are colored dark blue.
The 13th FRR consisted of four S-75M sites. The 23rd FRR consisted of five S-75M sites. The 43rd FRBr consisted of six S-75M sites, five S-125M1A sites, one S-200VE site, and one S-300PMU site. The S-300PMU's 64N6 radar facility was also subordinate to the 43rd FRBr.
The 13th FRR covered the northwestern portion of the DDR, as seen in the image below:
The 23rd FRR covered the northeastern portion of the DDR near the Polish border, as seen in the image below:
The 43rd FRBr covered the northern area of the DDR between the 13th FRR and 23rd FRR areas of responsibility, as seen in the image below:
SOVIET CONTRIBUTION
As was the case with many of the Warsaw Pact member states, there was a significant Soviet presence in the DDR. This presence included a number of strategic air defense units. These air defense units defended both DDR airspace, providing coverage not present under the 1st and 3rd LVD, and Soviet military facilities, including airfields home to Soviet combat aircraft. Identified Soviet air defense assets in the DDR included two S-75M sites, 24 S-125M1 sites, and one S-200M site. These Soviet air defense sites were concentrated in the 1st LVD's area of responsibility.
Soviet air defense coverage in the DDR can be seen in the image below:
Various Soviet tactical SAM units were also present in the DDR. These systems included the Krug, Osa, 9K37 Buk (SA-11 GADFLY) and S-300V (SA-12 GLADIATOR/GIANT). As tactical SAM units would have been tasked to provide mobile air defense for Soviet Army units pushing into NATO, they are not covered here.
S-200 COVERAGE
Long-range air defense of the DDR was provided by four S-200 sites. As previously mentioned, one of these sites was a Soviet-controlled battery located east of Madgeburg. These four S-200 batteries not only provided coverage over the entire DDR, but also provided significant cross-border coverage to the north and east, potentially allowing targets to be engaged before crossing into DDR airspace. S-200 effectiveness was reduced at low altitude, but the system still posed a serious threat to medium-high altitude aircraft, in particular nonmaneuverable aircraft such as ISR platforms. After an outbreak of hostilities, the S-200 batteries would be well suited to deny NATO reconnaissance aircraft from operating in close proximity to the DDR border.
The coverage provided by the four S-200 series batteries located in the DDR can be seen in the image below:
OVERALL COVERAGE
The six DDR air defense units within the 1st and 3rd LVDs, when combined with the Soviet air defense units in country, provided an overlapping air defense network to defend DDR airspace. The image below illustrates the locations of all of the DDR and Soviet strategic SAM sites, tactical SAM garrisons, and training sites, the latter of which are brown in color:
The overall coverage provided by the entire air defense network can be seen in the image below:
The deployment strategies employed by the DDR and Soviet units indicate a desire to defend both key border areas as well as major residential and industrial areas. During a postulated Soviet conflict with NATO, Soviet and Warsaw Pact units advancing into Western Europe would likely have contained organic tactical air defense units. The volume of strategic air defense units present in the DDR would suggest that the Soviets placed a great deal of importance on defending the major logistical support areas and lines of communication in the DDR. This meshes well with the Soviet concept of rapid advance of armored units into enemy territory. In order for these advances to be successful, the logistics support train must be well defended.
LIMITATIONS
One of the primary limitations of the DDR was the lack of suitable modern air defense systems during the latter stages of the Cold War. The main drawback of the most numerous strategic SAM systems in service with the DDR was the inability of each battery to prosecute multiple targets. The only system capable of a multiple target engagement capability was the S-200, and this could only be achieved by deploying multiple 5N62 (SQUARE PAIR) engagement radars at each location. The S-200 would typically employ one 5N62 for each 6 launcher cluster present at the site. That being said, this lack of serious multiple target engagement capability, coupled with Western advances in ECM and SEAD/DEAD tactics and weapons, threatened to make the DDR's air defense network virtually obsolete.
The S-200's degraded capability at low altitude also posed a problem for the DDR in the event of a low-level strike. Consider the following example situated in the area of the 3rd LVD. Discounting the S-200, a low-level strike package would face the following threat picture circa 1985:
Eliminating the 14th FRR's northern three S-75 sites and a solitary Soviet S-125 site provides the beginning of an undefended corridor of airspace for striking at targets in the region, as illustrated below:
There is a tactical SAM garrison in the area opened by the postulated strike, but this was an Osa garrison. Operation DESERT STORM proved that the Osa was ineffective at dealing with fast jets backed by EW, SEAD and DEAD assets, recording no successes against Coalition aircraft. Ergo, the strike package would likely not be threatened by the Osa TELARs in the area, being able to proceed deeper into the DDR. A turn to the south reveals another narrow corridor leading to the 1st LVD's area of responsibility being vulnerable were a second Soviet S-125 battery to be destroyed. Clearly, newer air defense systems were necessary to deal with the increased threat posed by NATO strike aircraft and their support assets.
The answer came in 1989 when the first S-300PMU battery entered operational service. Site preparation had begun in 1984 near Retschow in the 43rd FRBr, and system operators were trained in the USSR between August and December of 1988. Superimposing the S-300PMU's range ring over the corridor generated by the postulated strike package, it can be seen that the system was capable of defending the vulnerable area in the northwest.
The exact location of the DDR's S-300PMU site has not been determined with complete certainty, but it is known that the system supplemented, if not replaced outright, the Retschow S-75 battery in the 43rd FRBr. Given this location and the fact that the Retschow S-75 site remains unmodified, the following site stands out as a potential location for the S-300PMU battery:
It is known that Soviet engineers did travel to the DDR to construct S-300P series SAM sites, suggesting that they were responsible for constructing the Retschow site. This would suggest that the above location is a distinct possibility as it has clearly undergone significant deconstruction, potentially erasing evidence of built up revetments and radar platforms. The Soviet engineers may also have constructed Soviet S-300P series sites as well, and the following image presents an example from the 51FRBr where such a site may have been constructed adjacent to a DDR S-75 site:
CONCLUSION
Had the Cold War continued, modernization of DDR air defenses would have necessitated priority status within the USSR and the Warsaw Pact. Aging systems, proving to be more and more unreliable against modern combat aircraft, would likely have been supplemented and replaced by further S-300P series SAM systems in both the DDR and Soviet inventories. Only then would the air defense network of the DDR have been able to be relied upon to forestall any significant action by NATO.
GOOGLE EARTH PLACEMARK DATA
The range rings, site icons, detail tags, and East German border can be downloaded as a Google Earth placemark file
here.
SOURCES
-Satellite imagery provided courtesy of Google Earth
DDR Air Defense Units 43rd FRBr S-300PMU SAMs of the PVO, Mikhail Pervov, 2001
Jane's Land-based Air Defence, various editionsAuthored by Sean O'Connor
Visit geimint.blogspot.com for the article in its entirety.
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