Held from 12 - 23 November 2012 in Vienna, Austria and online, the course will take an in-depth look at the CTBT verification technologies, including live lectures from internationally-renowned guest expert lecturers as well as CTBTO staff, interactive sessions and site visits. The course will feature a special four-day intensive programme on the On-Site Inspection (OSI) regime of the CTBT. This collection contains the live lecture portion of the course.