flexibilities for the civilian acquisition workforce. (E) Recommendations for any necessary changes to the hiring and retention flexibilities available to the Department to fill civilian acquisition positions. (F) A description of the flexibilities available to the Department to remove underperforming members of the acquisition workforce and the extent to which any such flexibilities are used. (c) Assessment and report required on business-Related training for the acquisition workforce (1) Assessment The Under Secretary of Defense for Acquisition and Sustainment shall conduct an assessment of the following: (A) The effectiveness of industry certifications and other industry training programs, including fellowships, available to defense acquisition workforce personnel. (B) Gaps in knowledge of industry operations, industry motivation, and business acumen in the acquisition workforce. (2) Report Not later than December 31, 2018, the Under Secretary shall submit to the Committees on Armed Services of the Senate and the House of Representatives a report containing the results of the assessment conducted under this subsection. (3) Elements The assessment and report under paragraphs (1) and (2) shall address the following: (A) Current sources of training and career development opportunities, industry rotations, and other career development opportunities related to knowledge of industry operations, industry motivation, and business acumen for each acquisition position, as designated under section 1721 of title 10, United States Code. (B) Gaps in training, industry rotations, and other career development opportunities related to knowledge of industry operations, industry motivation, and business acumen for each such acquisition position. (C) Plans to address those gaps for each such acquisition position. (D) Consideration of the role industry-taught classes and classes taught at educational institutions outside of the Defense Acquisition University could play in addressing gaps. (d) Comptroller general review of