This is a market survey to identify potential sources capable of qualifying and producing a portable optical emission spectroscopy testing system for the U.S. Air Force. The government is seeking information on contractor expertise and capabilities, and participation does not guarantee future solicitation involvement. Respondents must review provided technical documents and submit supporting capability statements, with explanations for any lacking experience. Both large and small businesses, including joint ventures, are encouraged to participate. Questions should be directed to the specified point of contact.