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 The term NBC has been replaced by CBRN (chemical, biological, radiological, nuclear), with the addition of a new threat, radiological, meaning radiological weapon.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 Sports
Beginning with the 1999 Pennzoil 400, NBC began its foray into NASCAR. NBC, along with Fox, FX and TNT, obtained the broadcast rights of the top two series – the Winston Cup and Busch Series – in a six-year deal, beginning in 2001. NBC televised the second half of the season and alternated coverage of the Daytona 500 with Fox. In December 2005, NBC announced that it would not renew its agreement with NASCAR. In 2001, NBC obtained the broadcast rights to horse racing's Triple Crown in a five-year deal.