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 The term NBC has been replaced by CBRN (chemical, biological, radiological, nuclear), with the addition of a new threat, radiological, meaning radiological weapon.
NBC Olympic broadcasts
With the re-introduction of golf to the Olympics, Golf Channel was added to NBC's coverage, with NBC's golf production unit also serving as the host broadcaster of the two tournaments. The primetime block of NBC's coverage in 2016 also featured Descriptive Video Service through the SAP channel for the first time since the Federal Communications Commission was allowed to require broadcasters to expand their production and access to described programming for the blind and visually impaired (though live sporting events were not required under the guidelines, so NBC's effort is entirely voluntary).