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Rotary cannon
M167 VADS is a rotary cannon originating in United States. It was built by Armament Systems Department, General Electric Daewoo Heavy Industries Ltd. Reported operators include Botswana, Chile, Ecuador, Egypt, Honduras, Israel, Japan, South Korea, Saudi Arabia, Sudan, Thailand, Uruguay, Yemen.
United Statesen.wikipedia.org ↗ · Field absent
Checked 30 Sept 2026Recorded cached-source extraction and article inspection. No matching scoped field was extracted; this is not a claim that all five sources were checked.
Retained English infobox, specifications and article text
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Rotary cannon
United States
1965–1994 (United States) 1960s–present (other countries)
See Operators
War in Darfur Sudanese conflict in South Kordofan and Blue Nile Yemeni Civil War (2015–present) Saudi Arabian-led intervention in Yemen
Rock Island Arsenal
1964
Armament Systems Department, General Electric Daewoo Heavy Industries Ltd
See Variants
1,583 kg (3,490 lb) including carriage
472.4 cm (186.0 in) in travel configuration 386.1 cm (152.0 in) emplaced
20×102mm
20 mm (0.787 in)
6-barrel (progressive RH parabolic twist, 9 grooves)
Hydraulically operated , electrically fired, rotary cannon
1000 or 3000 rounds per minute
1030 m/s
1200m (Aerial) or 4500m (Ground)
500rd linked feed
Botswana
Chile
Ecuador
Egypt
Honduras
Israel
Japan
South Korea
Saudi Arabia
Sudan
Thailand
Uruguay
Yemen
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
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| 28 Sept 2026 | 4.724 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 4.724 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 4.724 m | Wikipedia contributors | approved |
| 28 Sept 2026 | 4.724 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 4.724 m | Wikipedia contributors | superseded |
M167 VADS equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
BotswanaArmy exact named equipment holdings: M167 Vulcan. 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 / TOWED 20mm. 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 M167 VADS. Service scope: Botswana Ground Force; 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: 7. Origin: United States. 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. 2021 cited publication year. Edition or publication years do not claim an exact inventory census day.
Chile
EcuadorArmy exact named equipment holdings: M167 Vulcan. 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 / 20mm. 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.
EgyptReported count for M167 VADS. Service scope: Egyptian Army; 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): quantity: 72. Origin: United States. 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.
HondurasReported count for M167 VADS. 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: 30. Origin: United States. 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.
Israel
Japan
MoroccoArmy exact named equipment holdings: M167 Vulcan. 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 / 20mm. 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.
Saudi ArabiaNational Guard exact named equipment holdings: M167 Vulcan. 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 / 20mm. 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.
South KoreaArmy exact named equipment holdings: M167 Vulcan. 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 / 20mm. 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 20 mm M167 VADS. 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: 16. Origin: United States. 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.
ThailandArmy exact named equipment holdings: M167 Vulcan. 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 / 20mm. 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.
UruguayArmy exact named equipment holdings: M167 Vulcan. 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 / 20mm. 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.
YemenBotswana, Chile, Ecuador, Egypt, Honduras, Israel, Japan, South Korea, Saudi Arabia, Sudan, Thailand, Uruguay, Yemen
Equipment reference ↗Reported count for M167 VADS. Service scope: Ecuadorian Air Force; 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): in service: 28. Origin: United States. 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.
Reported count for M167 VADS · KM167A3. Service scope: Republic of Korea Air Force; 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): in service: 200. Origin: Republic of Korea. 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.
Reported count for M167 VADS. Service scope: Uruguayan Army; 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): quantity: 6. Origin: United States. 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.