Keywords: OrdnanceWorldWarII 005.jpg The reflectors consisted of three planes intersecting at right angles each surface covered with galvanized wire screen A radar signal striking any side was reflected back towards its source The structure in the background with metal screens stripped off to make it inoperative was replaced by the triangular reflector in the foreground National Institute of Standards and Technology National Institute of Standards and Technology PD-USGov-NIST PD-USGov National Bureau of Standards National Institute of Standards and Technology Weapons ASM-N-2 Bat World War II missiles Guided bombs Fuzes |