
Given the following passage

"NASA immediately convened an accident review board, overseen by both houses of Congress. While the determination of responsibility for the accident was complex, the review board concluded that "deficiencies existed in Command Module design, workmanship and quality control." At the insistence of NASA Administrator Webb, North American removed Harrison Storms as Command Module program manager. Webb also reassigned Apollo Spacecraft Program Office (ASPO) Manager Joseph Francis Shea, replacing him with George Low.",

answer the following question. Note that the answer is present within the text.

Question: What one area of concern would be because of people that did not double check the work? 

quality control
