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                            April 13, 2021

       Peter Bordes
       Executive Chairman
       Trajectory Alpha Acquisition Corp.
       99 Wall Street, #5801
       New York, New York 10005

                                                        Re: Trajectory Alpha
Acquisition Corp.
                                                            Amendment No. 2 to
                                                            Registration
Statement on Form S-1
                                                            Filed April 8, 2021
                                                            File No. 333-253967

       Dear Mr. Bordes:

             We have reviewed your amended registration statement and have the
following
       comments. In some of our comments, we may ask you to provide us with
information so we
       may better understand your disclosure.

              Please respond to this letter by amending your registration
statement and providing the
       requested information. If you do not believe our comments apply to your
facts and
       circumstances or do not believe an amendment is appropriate, please tell
us why in your
       response.

              After reviewing any amendment to your registration statement and
the information you
       provide in response to these comments, we may have additional comments.

       Amendment No. 2 to Form S-1 filed April 8, 2021

       Financial Statements
       Note 8 - Subsequent Events, page F-15

   1.                                                   Please revise your
disclosure to provide the date through which subsequent events were
                                                        evaluated as required
by ASC 855-10-50-1a.
 Peter Bordes
FirstName   LastNamePeter  Bordes
Trajectory Alpha  Acquisition Corp.
Comapany
April       NameTrajectory Alpha Acquisition Corp.
       13, 2021
April 213, 2021 Page 2
Page
FirstName LastName
       You may contact Dale Welcome at 202-551-3865 or John Cash at
202-551-3768 if you
have questions regarding comments on the financial statements and related
matters. Please
contact Erin Purnell at 202-551-3454 or Anne Parker at 202-551-3611 with any
other questions.



                                                          Sincerely,

                                                          Division of
Corporation Finance
                                                          Office of
Manufacturing