If you are really interested in GOOD online training for NDT then go here. You can't beat a program by Chuck Hellier and Jim Treat and the staff they have put together. This link will take you to the main info website. If you sign up you will be accessing NDT College which you must be registered for and have all the passwords to access your paid for training classes.
You won't get it for cheap. But it has recorded hours that are recognized as continuing education as well as part of your classroom required hours in order to work through your company's program and Level III to get to your Level II certification.
http://www.ndtclassroom.com/He Is In Control, Have a Great Day, Brent