Mullen,the Chairman of the Joint Chiefs of Staff, made clear the drop in support is worrisome.

VOA: standard.2009.08.23

And towards that end to give you a sense of the size of the support structure in place for this course, this is the size at the moment of CS50's staff inclusive of teaching fellows, course assistants, myself, as well as folks who help with our video production and the like.

为达到这一目标,我们让大家了解下这门课的辅助，在CS50进行的时候，有这么多人会给我们提供辅助支持,其中包括教学研究员，课程助理,我，以及帮助我们制作视频的等一些人。

哈佛公开课 - 计算机科学课程节选