Fire-control post for coastal artillery
HKB 3/978 Syre, south western Norway

Common bunker which served as fire-control for medium coastal batteries.
A rangefinder was placed in an emplacement on top of the bunker. The slit in front were used for observation of targets.

(Courtesy of Erik Ettrup)

Søndervig - HKB Kryle
(Courtesy of Kurt)