(розм.) ні світ ні зоря (невизначена година рано вранці, див. oh five-hundred)
hundred-per-cent zone (one-hundred-per-cent zone)
oh five-hundred (5:00 am)
hundred-per-cent rectangle
zero dark thirty
dark net
firing in dark
in dark
Long-Range Hypersonic Weapon (LRHW Dark Eagle)
dark adaptation
dark adaptation of eyes
dark night fighting
dark satellite