C. Wayland Brooks (current) Euler angles Silas A. Conrad 3rd Wing APRA AMCOS Splunk Architecture of the London Borough of Croydon Scouting and Guiding in mainland China WAGR P and Pr classes Vaginal branch of middle rectal artery Whoops Now/What'll I Do AutoWorld (theme park) Nicocodeine International Union for Vacuum Science, Technique and Applications