Exhibit 23.1

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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We hereby consent to the use in the Prospectus constituting a part of this Registration Statement on Form S-1 of our report dated May 10, 2021, relating to the financial statements of Genesis Park Acquisition Corp., which is contained in that Prospectus. We also consent to the reference to our firm under the caption “Experts” in the Prospectus.

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