Opal (armoured personnel carrier)
Encyclopedia
The Opal-I is a multi-purpose fully amphibious
Amphibious vehicle
An amphibious vehicle , is a vehicle or craft, that is a means of transport, viable on land as well as on water – just like an amphibian....

 armoured personnel carrier
Armoured personnel carrier
An armoured personnel carrier is an armoured fighting vehicle designed to transport infantry to the battlefield.APCs are usually armed with only a machine gun although variants carry recoilless rifles, anti-tank guided missiles , or mortars...

 developed and produced by HSW S.A.. APC is a development of MT-LB
MT-LB
The MT-LB is a Soviet multi-purpose fully amphibious auxiliary armoured vehicle which was first introduced in the late 1960s...

 that was produced in HSW on licence. Major changes are with reworked nose section and propellers for better in water speed and manoeuvrability, new turret with 12.7 mm NSVT machine-gun instead of old with 7.62 PKT and powered-up engine. Opal-II is a stretched variant with longer chassis with 7 road wheels on each side, like the 2S1
2S1
The 2S1 Gvozdika, ; is a Soviet 122-mm self-propelled howitzer that resembles the PT-76 but is essentially a version of the MT-LB APC, mounting the 2A18 howitzer. "2S1" is its GRAU designation. An alternative Russian designation is SAU-122 but in the Russian Army it is commonly known as Gvozdika...

 and MT-LBu
MT-LBu
The MT-LBu is a Soviet multi-purpose fully amphibious armoured carrier which was developed under the factory index Ob'yekt 10 in the late 1960s, based on the MT-LB...

 and 300 hp (220 kW) SW680T engine.

WPT Mors

(WPT for Wóz Pogotowia Technicznego - lit Technical Emergency Vehicle) - technical support vehicle with light crane, hydraulic dozerblade, welding equipment and an NBC detection system. The vehicle is a basic support vehicle of mechanized battalions equipped with BMP-1
BMP-1
The BMP-1 is a Soviet amphibious tracked infantry fighting vehicle. BMP stands for Boyevaya Mashina Pekhoty 1 , meaning "infantry fighting vehicle". The BMP-1 was the world's first mass-produced infantry fighting vehicle...

 IFV in Polish Land Forces.

TRI Hors

(TRI for Transporter Rozpoznania Inżynieryjnego - lit. Engineering Reconnaissance Vehicle) - engineering vehicle with basic equipment. In use with Polish Land Forces.

TRI-D Durian

It's TRI Hors additionally equipped with trailer-mounted UZR-3 mine clearing system. In use with Polish Land Forces.

ISM Kroton

(ISM for Inżynieryjny System Minowania – lit. Engineer Minelaying System, Kroton is Polish
Polish language
Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...

 for Croton
Croton
-In plants:* Croton , a plant genus of the family Euphorbiaceae* Crotoneae, a tribe of the subfamily Crotonoideae* Codiaeum variegatum, a plant commonly called a "Croton"...

) - Opal-II based engineer vehicle with mine-scattering system UMN mounted on a cargo bed. UMN consists of 4 launchers, each with 20 launch containers for anti-personnel or anti-tank mines. The ISM has a crew of 2 and a combat weight of 15.25 tonnes. It entered service with Polish Land Forces in 2004.

Lotos

Armoured ambulance vehicle. In service with Polish Land Forces.

ZWD-10R Łowcza-3

(ZWD for Zautomatyzowany Wóz Dowodzenia – lit. Automatic Command Vehicle) - Opal-I based air defence command vehicle equipped with Łowcza system. The troop compartment section of vehicle is higher than in standard vehicle. Also known as LA-3. Vehicle is used by Polish Land Forces.

LSPZRA Sopel

(LSPZRA for lekki samobieżny przeciwlotniczy zestaw rakietowo-artyleryjski – lit. light, self-propelled, anti-aircraft, combined gun and missile system; Sopel is Polish
Polish language
Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...

 for Icicle
Icicle
An icicle is a spike of ice formed when water dripping or falling from an object freezes. Typically, icicles will form when ice or snow is melted by either sunlight or some other heat source , and the resulting melted water runs off into an area where the ambient temperature is below the freezing...

) - air defence variant armed with twin 23 mm cannon and two 9M32M "Strela-2M" surface to air missiles. Vehicle designed as air-defence vehicle for mechanized units. Only prototype.

LSPZRA Stalagmit

(Stalagmit is Polish
Polish language
Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...

 for Stalagmite
Stalagmite
A stalagmite is a type of speleothem that rises from the floor of a limestone cave due to the dripping of mineralized solutions and the deposition of calcium carbonate. This stalagmite formation occurs only under certain pH conditions within the underground cavern. The corresponding formation on...

) - development of Sopel, based on Opal-II, armed with ELOP turret with two 23 mm Model-4216 guns and 4 Grom surface to air missiles. This variant was equipped with more advanced guiding systems. Only prototype.
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