NBC suit
An NBC (nuclear, biological, chemical) suit, also called a chemsuit or chem suit or chemical suit is a type of military personal protective equipment. NBC suits are designed to provide protection against direct contact with and contamination by radioactive, biological or chemical substances, and provides protection from contamination with radioactive materials and some types of radiation, depending on the design. It is generally designed to be worn for extended periods to allow the wearer to fight (or generally function) while under threat of or under actual nuclear, biological, or chemical attack. The civilian equivalent is the Hazmat suit. The term NBC has been replaced by CBRN (chemical, biological, radiological, nuclear), with the addition of a new threat, radiological, meaning radiological weapon.
Dateline NBC
Dateline NBC, or simply Dateline, is a weekly American television newsmagazine/reality legal show that is broadcast on NBC. It was previously the network's flagship news magazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics. The program airs Fridays at 10:00 p.m. Eastern Time (9:00 p.m. Eastern for special two-hour editions) and on most Sundays, outside National Football League season, at 7:00 p.m. Eastern Time, special Saturday editions also occasionally air during the fall and winter months. Two-hour feature-length editions sometimes air on any given scheduled evening, often to fill vacancies in the primetime schedule on the program's respective nights due to program cancellations.