PILLBOX

SN An often squat building with thick, loopholed walls and a flat roof, designed to accommodate a variety of weapons, usually strategically positioned to cover a vulnerable point in a defensive system.
CL MILITARY DEFENCE AND FORTIFICATION
BT ANTI INVASION DEFENCE SITE
NT ALLAN WILLIAMS TURRET
BISON MOBILE PILLBOX
PICKETT HAMILTON FORT
PILLBOX (AIR MINISTRY PATTERN)
PILLBOX (CANTILEVERED)
PILLBOX (MODIFIED)
PILLBOX (PREFABRICATED)
PILLBOX (SHELLPROOF)
PILLBOX (TYPE 391)
PILLBOX (TYPE CE124/41)
PILLBOX (TYPE CE2717)
PILLBOX (TYPE CE2843)
PILLBOX (TYPE CE390)
PILLBOX (TYPE CP/6/40/111)
PILLBOX (TYPE CRE TL62)
PILLBOX (TYPE CRE1094)
PILLBOX (TYPE CRE1116)
PILLBOX (TYPE FW3/22)
PILLBOX (TYPE FW3/23)
PILLBOX (TYPE FW3/24)
PILLBOX (TYPE FW3/25)
PILLBOX (TYPE FW3/26)
PILLBOX (TYPE FW3/27)
PILLBOX (TYPE FW3/28)
PILLBOX (TYPE FW3/28A)
PILLBOX (TYPE FW3/45)
PILLBOX (TYPE FW3/46)
PILLBOX (TYPE PD541)
PILLBOX (VARIANT)
RUCK MACHINE GUN POST
TETT TURRET
RT DEFENDED LOCALITY
STOP LINE