2S1 Gvozdika 122mm Self-Propelled Gun Howitzer at the Heeresgeschichtliches Museum (HGM) in Vienna (Austria)

The 2S1 Gvozdika is a Soviet self-propelled howitzer based on the MT-LBu multi-purpose chassis, mounting a 122 mm 2A18 howitzer. "2S1" is its GRAU designation and an alternative Russian designation is SAU-122 but in the Russian Army it is commonly known as Gvozdika. The 2S1 is fully amphibious with very little preparation, and once afloat is propelled by its tracks. A variety of track widths are available to allow the 2S1 to operate in snow or swamp conditions. It is Nuclear, Biological and Chemical (NBC) protected and has infrared night-vision capability. First prototypes were built in 1969 and in was adopted by the Soviet Army in 1971. Production of the 2S1 Gvosdika commenced in 1972. It was first seen in public at a Polish Army parade in 1974. This artillery systems was deployed in large numbers. It has been exported to a number of Soviet allies. Also it has seen combat during numerous military conflicts. The Gvosdika is currently still in service with a number of countries.

10. Oldtimertreffen im Arsenal "Auf Rädern & Ketten" vom 3. bis 5. Juni 2017 - Heeresgeschichtliches Museum
(10th Classic Car Meeting in the Arsenal "On Wheels & Tracks" from 3 to 5 June 2017 - Museum of Military History)

The Heeresgeschichtliches Museum (HGM) is a military history museum located in Vienna, Austria. It claims to be the oldest and largest purpose-built military history museum in the world. Its collection includes one of the world's largest collections of bronze cannons and focuses on Austrian military history from the 16th century to 1945. The "Tank Garden" (Panzergarten), located behind the museum building and usually open to the public from March to October, accommodates the most important combat vehicles of the Austrian Armed Forces from 1955 to the present, with the different types demonstrating the continuous advancement of tank weaponry. The first Austrian tank troops were equipped entirely with vehicles of the occupation powers, such as the M24 Chaffee, the Charioteer, the Centurion and the AMX-13. The museum is located in Vienna's Arsenal, in the Landstraße district, not far from the Belvedere palace.