These passive defences were overlooked by trench works, gun and mortar emplacements, and pillboxes. French marines in Fort Lapin and the coastal artillery emplacements spiked the guns and retreated. It is primarily used against battlefield fortifications, bunkers, and other protected emplacements. The locality was photographed from the air, which revealed German gun emplacements and entrenchments. The strongpoint in this area consisted of three casemates and twelve machine-gun emplacements. More gun emplacements and minefields extended inland along roads leading away from the beaches. The floor above contained casemates for the emplacements of guns and further quarters. Older tanks continued to be used as defensive emplacements and infantry support weapons. The Germans were dug into fortified emplacements above the beaches. There are extensive remains of gun emplacements, barracks, etc. Only nine tanks reached the German lines to engage machine gun emplacements and troop concentrations. Many areas were additionally protected by rifle pits and machine-gun emplacements. These photos were typically of Soviet and Chinese missile emplacements. Magnetic rockets have the ability to track planes or weapon emplacements over a short distance. The Garden Battery was built over two Victorian stone gun emplacements.