BSC-7 20 June 2011 Continued training Apollo contractors (Mark Layne and Zack Haux) regarding contamination control and viewports (Kyle Ryan), general in-chamber cleaning procedure, and job hazard analysis (Michael Landry). Removed four viewports, one camera, and one illuminator. Viewports were preserved in Class A condition. Camera and illuminator were wrapped in UHV foil and set aside.