Keywords: NTS - Gun Turret 2.jpg Calibration Gun Turret located on 2-04 Road behind Bunker 2-300 in Area 2 of the Nevada Test Site This gun turret was removed from a pre-1940s scrapped U S Navy Heavy Cruiser It was developed by Lawrence Livermore Radiation Laboratory for line-of-sight diagnostics Basically the turret could be used on multiple atmospheric nuclear tests by rotating it and adjusting the elevation to aim at the tower cab This eliminated the need of constructing new line-of-sight equipment for each test Nevada Test Site Guide http //www nv energy gov/library/publications/historical/DOENV_715_Rev1 pdf DOE/NV-715 Federal Government of the United States PD-USGov Yucca Flat Gun turret fortifications Naval gun turrets |