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Description
This is the main battle tank developed in Sweden.

It has no turret, and the main gun (Royal Ordnance L7 rifle gun) is directly fixed to the body.
The left and right aiming of the main gun is done by turning the vehicle body, and the up and down aiming is done by attitude control using hydropneumatic suspension.

This hydropneumatic suspension is very unique and practical, and the attitude control function was adopted as a reference when the Type 74 tank was developed in Japan.

Description
This is the main battle tank developed in Sweden.

It has no turret, and the main gun (Royal Ordnance L7 rifle gun) is directly fixed to the body.
The left and right aiming of the main gun is done by turning the vehicle body, and the up and down aiming is done by attitude control using hydropneumatic suspension.

This hydropneumatic suspension is very unique and practical, and the attitude control function was adopted as a reference when the Type 74 tank was developed in Japan.