In the dunes near Duindorp and north of the Navy Seeziel-Batterie Westduin found himself an anti-aircraft battery, Base XXXXIIIc H (Westduinen Flak). This anti-aircraft battery was by SS on November 22, 1943 in Base group ScheveningenAboutn placed and indicated by Flak Batterie SS-Grenadier Regiment 1. This unit was also known as Landstorm Netherlands. The six pieces of flak 8,8 cm Flak 37 were open gun emplacements Type FL243a (heavy flak) inserted. On the first four of these dunes were gun emplacements with a mutual distance of 40 meters. About 75 meters inland were two gun emplacements also with the same spacing. From the fire control bunker type FL 311 (control center for heavy flak) the command was about six pieces flak conducted, the bunker was about 200 meters northeast of the center of the anti-aircraft battery. At the head of the narrow part of the bunker was an open measuring station in which the distance meter and the calculator were drawn. The Shoot values were incorporated into the bunker and passed to the six pieces of flak.
With two tobruks along the dunes to the beach was defended. In the first sea of dunes was a recurring troops stay on the type 668. To confuse the Allies were also placed semblance cannons near the antiaircraft battery. The rest of the bunkers (45 pieces) had a supporting role, mainly (residential) accommodation and storeroom. Order was to detect enemy aircraft in the vicinity of the fire control post a radar type Funkmeszgerät 62 Würzburg 39 T / D2 of D3 drafted. It had a range of 30 to 40 kilometers and was drawn up in a simple field enhancement.
On November 22, 1943 was the occupation of the Flak Batterie SS-Grenadier Regiment 1 2 officers, 20 NCOs and 97 men. At a later map, from August 24, 1944, the lineup consisted of three officers, 26 NCOs and 154 men with weapons as:
- 6 × 8,8 cm Flak 37
- 3 × 2 cm Flak 38
- 4 × Light machine gun
- 2 × Schweres Maschinengewehr
The 2cm flak was to protect the battery itself against low-flying enemy aircraft. The 8.8cm anti-aircraft guns had a range of 14.8 kilometers.