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Air defence1971–present
6×6 amphibious SAM system
9K33 Osa is a 6×6 amphibious SAM system originating in Soviet Union. It was built by Znamya Truda Plant.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 9.14 m | Wikipedia contributors | superseded |
6×6 amphibious SAM system
Soviet Union
1971–present
See list of present and former operator
Iran–Iraq War 1982 Lebanon War Angolan Civil War Western Sahara War Gulf War Russo-Georgian War First Libyan Civil War Syrian Civil War 2020 Armenian–Azerbaijani skirmishes Second Nagorno-Karabakh War Russo-Ukrainian War 2025 India-Pakistan conflict
NII-20 Research Institute
1960–1972
Znamya Truda Plant
1970–1988
1,200
OSA-A, OSA-AK, OSA-AKM, OSA-M
17.5 tonnes
9.14 m (30 ft 0 in)
2.75 m (9 ft 0 in)
4.20 m (13 ft 9 in) (radar mast stowed)
5 soldiers
6 9M33, 9M33M1, 9M33M2 or 9M33M3 missiles
D20K300 diesel
400 mm (16 in)
500 km (311 mi)
80 km/h (50 mph) 8 km/h (5.0 mph) (swimming)
209.6 mm (8 in)
Frag-HE
15 kg (33 lb)
Contact and proximity
Solid propellant rocket motor
12,000 metres (39,000 ft)
2 s boost, then 15 s sustain
RF CLOS
dual-thrust rocket motor
5 m
9P35M2
Angola
Armenia
Azerbaijan
Belarus
Bulgaria
Cuba
Germany
Ecuador
Georgia
Greece
India
Poland
Romania
Russia
Sudan
Syria
Turkmenistan
United Kingdom
Ukraine
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
9K33 Osa equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
AngolaAir Force/Air Defence exact named equipment holdings: 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Point-defence. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Air Force/Air Defence exact named equipment holdings of 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): AIR DEFENCE / Point-defence. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. The source marks the whole equipment section with a dagger: serviceability in doubt. Holdings are not readiness. Missile-system inventories count launchers or self-propelled launcher systems, not missiles or warheads; no conversion into missile rounds. Source parentheses retain employment, lease, reporting designation, alternate model, or included-subset scopes exactly. Own fetched primary and alternate/model identity declarations are retained. Numbers inside an included subset are part of the printed count and are never added again; no sibling or parent specification is copied.
ArmeniaApproximate count for 9K33 Osa. Country-wide list; no individual service specified. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): quantity: ~75. Origin: Soviet Union. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2021), not the article revision. Cited source 2021-10-02. Edition or publication years do not claim an exact inventory census day.
AzerbaijanLower-bound count for Osa-1t. Service scope: Azerbaijani Land Forces; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): number: 90+. Origin: unstated. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
BelarusNumber column of the Wikipedia list table under "Self-propelled surface-to-air missile (SAM) systems". The list's own wording applies; it is a compiled secondary source, not an official census.
BulgariaArmy exact named equipment holdings: 9K33 Osa (RS-SA-8 Gecko) GUNS 400. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Point-defence. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Cuba
EcuadorAir Force exact named equipment holdings: 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Point-defence. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
GeorgiaAviation and Air Defence Command exact named equipment holdings: 9K33M3 Osa-AKM (RS-SA-8B Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Point-defence. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Germany
GreeceGreece Army holdings only. Osa-M SAM launcher vehicles, preserving the source designation.
IndiaIndia Army holdings only. At least 50 Army Osa-AKM SAM launcher vehicles.
PolandPoland Army holdings only. Osa-AK SAM launcher vehicles.
RomaniaArmy exact named equipment holdings: 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Short-range. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
RussiaNaval Infantry (Marines) exact named equipment holdings: 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Point-defence. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
SudanReported count for 9K33 Osa. Country-wide list; no individual service specified. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 30. Origin: Soviet Union. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Syria
TurkmenistanArmy exact named equipment holdings: 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Point-defence. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
UkraineArmy exact named equipment holdings: 9K33M3 Osa-AKM (RS-SA-8B Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Point-defence. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
United KingdomAngola, Armenia, Azerbaijan, Belarus, Bulgaria, Cuba, Germany, Ecuador, Georgia, Greece, India, Poland, Romania, Russia, Sudan, Syria, Turkmenistan, United Kingdom, Ukraine
Equipment reference ↗Air Force exact named equipment holdings of 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): AIR DEFENCE / Point-defence. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. Missile-system inventories count launchers or self-propelled launcher systems, not missiles or warheads; no conversion into missile rounds. Source parentheses retain employment, lease, reporting designation, alternate model, or included-subset scopes exactly. Own fetched primary and alternate/model identity declarations are retained. Numbers inside an included subset are part of the printed count and are never added again; no sibling or parent specification is copied.
Army exact named equipment holdings of 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): AIR DEFENCE / Short-range. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. Missile-system inventories count launchers or self-propelled launcher systems, not missiles or warheads; no conversion into missile rounds. Source parentheses retain employment, lease, reporting designation, alternate model, or included-subset scopes exactly. Own fetched primary and alternate/model identity declarations are retained. Numbers inside an included subset are part of the printed count and are never added again; no sibling or parent specification is copied.
Army exact named equipment holdings: 9K33M3 Osa-AKM (RS-SA- 8B Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Point-defence. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Reported count for 9K33 Osa. Service scope: Russian Ground Forces; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): quantity: 100. Origin: Soviet Union. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2025), not the article revision. 2025 cited reference period. Edition or publication years do not claim an exact inventory census day.
Army exact named equipment holdings of 9K33 Osa (RS-SA-8 Gecko). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): AIR DEFENCE / Point-defence. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. The source marks the whole equipment section with a dagger: serviceability in doubt. Holdings are not readiness. Missile-system inventories count launchers or self-propelled launcher systems, not missiles or warheads; no conversion into missile rounds. Source parentheses retain employment, lease, reporting designation, alternate model, or included-subset scopes exactly. Own fetched primary and alternate/model identity declarations are retained. Numbers inside an included subset are part of the printed count and are never added again; no sibling or parent specification is copied.