Coastal artillery exchanged fire throughout World War II, with substantial firepower devoted to those operations. The amount of firing exceeded its success in destroying targets, especially ships. Batteries became better equipped to engage shipping over time. Radar installations were going in by late September, which matters when assessing what Germany could support during the proposed 1940 invasion period.
Notable Point ยท 24:23-25:58
Coastal artillery and its limited success against shipping
Heavy coastal gunfire achieved limited results against shipping, while better batteries and radar arrived gradually.