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CORRESP Filing

Firefly Aerospace Inc.
Date: July 28, 2025 · CIK: 0001860160 · Accession: 0001193125-25-165860

Risk Disclosure Regulatory Compliance Financial Reporting

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File numbers found in text: 333-288646

Date
July 28, 2025
Author
/s/ Kevin M. Frank
Form
CORRESP
Company
Firefly Aerospace Inc.

Letter

Kevin M. Frank

333 Wolf Point Plaza Chicago, IL 60654 United States

To Call Writer Directly:

Facsimile:

+1 312 862 3373

+1 312 862 2000

+1 312 862 2200

kevin.frank@kirkland.com

www.kirkland.com

July 28, 2025 VIA EDGAR SUBMISSION United States Securities and Exchange Commission Division of Corporation Finance Office of Manufacturing 100 F Street, N.E. Washington, D.C. 20549

Attention: Jeff Gordon Melissa Gilmore Bradley Ecker Asia Timmons-Pierce

Re: Firefly Aerospace Inc. Registration Statement on Form S-1 Submitted July 11, 2025 File No. 333-288646 Ladies and Gentlemen: Pursuant to the requirements of the Securities Act of 1933, as amended, and Regulation S-T thereunder, Firefly Aerospace Inc., a Delaware corporation (the “Company”), has today filed with the Securities and Exchange Commission (the “SEC”) Amendment No. 1 to the Registration Statement on Form S-1 (the “Revised Registration Statement”). On behalf of the Company, we are writing to respond to the comment raised in the letter to the Company, dated July 23, 2025, from the staff of the SEC (the “Staff”) relating to the Registration Statement on Form S-1 previously filed with the Staff on July 11, 2025. The Company’s response below corresponds to the caption and number of that comment (which are reproduced below in bold and italics). Where applicable, we have also referenced in the Company’s response set forth below the appropriate page numbers of the updated prospectus contained in the Revised Registration Statement (the “Prospectus”) that address the Staff’s comment. In addition to addressing the comment raised by the Staff in its letter, the Company has revised the Revised Registration Statement to update certain other disclosures. Capitalized terms used in this letter but not otherwise defined have the meanings assigned to them in the Prospectus. Austin Bay Area Beijing Boston Brussels Chicago Dallas Frankfurt Hong Kong Houston London Los Angeles Miami Munich New York Paris Philadelphia Riyadh Salt Lake City Shanghai Washington, D.C.

Securities and Exchange Commission July 28, 2025 Page

Form S-1 filed July 11, 2025 General

1. We note your multi launch agreement with Lockheed Martin that includes up to 25 missions over the next five years. We note Alpha’s launch experienced a mishap during your April 2025 launch and the FAA grounded Alpha until further notice. Please update your disclosures to disclose this launch failure, impact of the launch failure on your business and any updates on the FAA investigation. Please update your summary, risk factor and any other relevant section of your prospectus. RESPONSE: In response to the Staff’s comment, the Company has revised its disclosure throughout the Revised Registration Statement to include additional detail on the launch failure of Alpha, the impact of the launch failure on its business and certain other updates on the FAA investigation, including, but not limited to, the bolded language added on page 14 of the Revised Registration Statement below: We may encounter a range of challenges associated with launch failures, including potential regulatory delays, which could affect our operations and business outcomes. For example, on April 29, 2025 an anomaly occurred during our Alpha mission that launched from Vandenberg Space Force Base in California. As a result, the Federal Aviation Administration (“FAA”) is requiring us to conduct a mishap investigation before we can conduct further launches, which investigation is ongoing. A return to flight for Alpha is dependent upon FAA approval following their determining that any system, process, or procedure related to the mishap does not affect public safety. Until such approval is provided, we will not be able to conduct further Alpha launches, which will adversely affect our revenues. While we believe the FAA will provide its approval, there is no guarantee that we will receive such approval from the FAA in a timely manner, if at all, and any delay in such approval could have a material adverse effect on our business, financial condition, and results of operations. See “Risk Factors—Risks Related to Our Business—We have in the past and may in the future experience delayed launches, launch failures, failure of our launch vehicles, landers, or orbital vehicles to reach their planned orbital locations, significant increases in the costs related to launches of launch vehicles, landers, or orbital vehicles, and insufficient capacity available from third-party providers of launch services with whom we partner. Any such issue could result in the loss of our launch vehicles, landers, or orbital vehicles or cause significant delays in their deployment, which could harm our business, financial condition, and results of operations” and “Risk Factors—

Securities and Exchange Commission July 28, 2025 Page

Risks Related to Our Business—Any inability to operate Alpha at our anticipated launch rate could adversely impact our business, financial condition, and results of operations.” We hope that the foregoing has been responsive to the Staff’s comment. Should you have any questions relating to any of the foregoing, please feel free to contact Kevin M. Frank at (312) 862-3373 or, in his absence, Ashley Sinclair at (312) 862-3928.

Sincerely,
/s/ Kevin M. Frank

Show Raw Text
CORRESP
 1
 filename1.htm

 CORRESP

 Kevin M. Frank

 333 Wolf Point Plaza
 Chicago, IL 60654 United
States

 To Call Writer Directly:

 Facsimile:

 +1 312 862 3373

 +1 312 862 2000

 +1 312 862 2200

 kevin.frank@kirkland.com

 www.kirkland.com

 July 28, 2025
 VIA EDGAR SUBMISSION United States Securities and
Exchange Commission Division of Corporation Finance Office
of Manufacturing 100 F Street, N.E. Washington, D.C. 20549

 Attention:
 Jeff Gordon
 Melissa Gilmore
 Bradley Ecker
 Asia Timmons-Pierce

 Re:
 Firefly Aerospace Inc.
 Registration Statement on Form S-1
 Submitted July 11, 2025
 File No. 333-288646
 Ladies and Gentlemen: Pursuant to the
requirements of the Securities Act of 1933, as amended, and Regulation S-T thereunder, Firefly Aerospace Inc., a Delaware corporation (the “Company”), has today filed with the Securities and Exchange
Commission (the “SEC”) Amendment No. 1 to the Registration Statement on Form S-1 (the “Revised Registration Statement”).
 On behalf of the Company, we are writing to respond to the comment raised in the letter to the Company, dated July 23, 2025, from the
staff of the SEC (the “Staff”) relating to the Registration Statement on Form S-1 previously filed with the Staff on July 11, 2025. The Company’s response below corresponds to the caption
and number of that comment (which are reproduced below in bold and italics). Where applicable, we have also referenced in the Company’s response set forth below the appropriate page numbers of the updated prospectus contained in the Revised
Registration Statement (the “Prospectus”) that address the Staff’s comment. In addition to addressing the comment raised by the Staff in its letter, the Company has revised the Revised Registration Statement to update certain other
disclosures. Capitalized terms used in this letter but not otherwise defined have the meanings assigned to them in the Prospectus. Austin Bay Area
Beijing Boston Brussels Chicago Dallas Frankfurt Hong Kong Houston London Los Angeles Miami Munich New York Paris Philadelphia Riyadh Salt Lake City Shanghai Washington, D.C.

 Securities and Exchange Commission
 July 28, 2025 Page
 2

 Form S-1 filed July 11, 2025
 General

 1.
 We note your multi launch agreement with Lockheed Martin that includes up to 25 missions over the next
five years. We note Alpha’s launch experienced a mishap during your April 2025 launch and the FAA grounded Alpha until further notice. Please update your disclosures to disclose this launch failure, impact of the launch failure on your business
and any updates on the FAA investigation. Please update your summary, risk factor and any other relevant section of your prospectus.
 RESPONSE: In response
to the Staff’s comment, the Company has revised its disclosure throughout the Revised Registration Statement to include additional detail on the launch failure of Alpha, the impact of the launch failure on its business and certain other updates
on the FAA investigation, including, but not limited to, the bolded language added on page 14 of the Revised Registration Statement below:
 We may encounter a range of challenges associated with launch failures, including potential regulatory delays, which could
affect our operations and business outcomes. For example, on April 29, 2025 an anomaly occurred during our Alpha mission that launched from Vandenberg Space Force Base in California. As a result, the Federal Aviation Administration
(“FAA”) is requiring us to conduct a mishap investigation before we can conduct further launches, which investigation is ongoing. A return to flight for Alpha is dependent upon FAA approval following their determining that any system,
process, or procedure related to the mishap does not affect public safety. Until such approval is provided, we will not be able to conduct further Alpha launches, which will adversely affect our revenues. While we believe the FAA will provide its
approval, there is no guarantee that we will receive such approval from the FAA in a timely manner, if at all, and any delay in such approval could have a material adverse effect on our business, financial condition, and results of operations. See
“Risk Factors—Risks Related to Our Business—We have in the past and may in the future experience delayed launches, launch failures, failure of our launch vehicles, landers, or orbital vehicles to reach their planned orbital locations,
significant increases in the costs related to launches of launch vehicles, landers, or orbital vehicles, and insufficient capacity available from third-party providers of launch services with whom we partner. Any such issue could result in the loss
of our launch vehicles, landers, or orbital vehicles or cause significant delays in their deployment, which could harm our business, financial condition, and results of operations” and “Risk Factors—

 Securities and Exchange Commission
 July 28, 2025 Page
 3

Risks Related to Our Business—Any inability to operate Alpha at our anticipated launch rate could adversely impact our business, financial condition, and results of operations.”
 We hope that the foregoing has been responsive to the Staff’s comment. Should you have any questions relating to any of the
foregoing, please feel free to contact Kevin M. Frank at (312) 862-3373 or, in his absence, Ashley Sinclair at (312) 862-3928.

 Sincerely,

 /s/ Kevin M. Frank

 Kevin M. Frank

 cc:
 Jason Kim
 Chief Executive Officer, Firefly Aerospace Inc.