UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                               (Amendment No. 1)*

                                 SPACEDEV, INC.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                    Common Stock, par value $0.001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    846241107
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                December 31, 2005
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
13G is filed:

      |_| Rule 13d-1(b)

      |X| Rule 13d-1(c)

      |_| Rule 13d-1(d)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).



CUSIP No. 846241107

--------------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY).

     Laurus Master Fund, Ltd.
     98-0337673
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    CITIZENSHIP OR PLACE OF ORGANIZATION

     Cayman Islands
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    2,032,520 shares of Common Stock.*
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY        2,032,520 shares of Common Stock.*
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           2,032,520 shares of Common Stock.*
    WITH       -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER

                    2,032,520 shares of Common Stock.*
--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,032,520 shares of Common Stock.
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                     |X|


--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     8.3%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     CO
--------------------------------------------------------------------------------

----------
      * As of December 31, 2005,  Laurus Master Fund, Ltd. (the "Fund") held (i)
a warrant (the "June  Warrant") to acquire  200,000  shares of the common stock,
par value  $0.001  per share  (the  "Shares"),  of  SpaceDev,  Inc.,  a Colorado
corporation (the  "Company"),  at an exercise price of $0.6095 per share for the
first 125,000 Shares acquired thereunder,  $0.6625 per share for the next 50,000
Shares  acquired  thereunder  and  $0.7685  per share for the  remaining  Shares
acquired thereunder, subject in each case to certain adjustments, (ii) a warrant
(the "Second June  Warrant") to acquire  50,000  Shares at an exercise  price of
$0.6625  per share,  (iii)  248,460  Series C Preferred  Shares  (the  "Series C
Preferred") of the Company  convertible  into Shares at a fixed conversion price
of $1.54 per share,  (iv) a warrant  (the "August  Warrant") to acquire  487,000
Shares at an  exercise  price of $1.77 per share,  (v) a warrant  (the  "October
Warrant") to acquire  450,000 Shares at an exercise price of $1.93 per share and
(vi) 2,032,520 Shares.  Each of the June Warrant,  the Second June Warrant,  the
Series C  Preferred,  the August  Warrant  and the October  Warrant  contains an
issuance limitation prohibiting the Fund from exercising those securities to the
extent that such exercise  would result in  beneficial  ownership by the Fund of
more than  4.99% of the  Shares  then  issued  and  outstanding  (the  "Issuance
Limitation").  The  Issuance  Limitation  may be waived by the Fund upon 75 days
prior  notice to the Company and shall  automatically  become null and void upon
the  occurrence  and/or  continuance  of an event of default  (as defined in and
pursuant  to the terms of the  applicable  instrument).  The Fund is  managed by
Laurus  Capital  Management,  LLC.  Eugene  Grin and David Grin,  through  other
entities, are the controlling  principals of Laurus Capital Management,  LLC and
share sole voting and  investment  power over the  securities  owned by the Fund
reported in this Schedule 13G, as amended.



CUSIP No. 846241107

--------------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY).

     Laurus Capital Management, LLC
     13-4150669
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    CITIZENSHIP OR PLACE OF ORGANIZATION

     Delaware
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    2,032,520 shares of Common Stock.*
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY        2,032,520 shares of Common Stock.*
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           2,032,520 shares of Common Stock.*
    WITH       -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER

                    2,032,520 shares of Common Stock.*
--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,032,520 shares of Common Stock.
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                     |X|


--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     8.3%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     OO
--------------------------------------------------------------------------------

----------
      * As of December 31, 2005,  Laurus Master Fund, Ltd. (the "Fund") held (i)
a warrant (the "June  Warrant") to acquire  200,000  shares of the common stock,
par value  $0.001  per share  (the  "Shares"),  of  SpaceDev,  Inc.,  a Colorado
corporation (the  "Company"),  at an exercise price of $0.6095 per share for the
first 125,000 Shares acquired thereunder,  $0.6625 per share for the next 50,000
Shares  acquired  thereunder  and  $0.7685  per share for the  remaining  Shares
acquired thereunder, subject in each case to certain adjustments, (ii) a warrant
(the "Second June  Warrant") to acquire  50,000  Shares at an exercise  price of
$0.6625  per share,  (iii)  248,460  Series C Preferred  Shares  (the  "Series C
Preferred") of the Company  convertible  into Shares at a fixed conversion price
of $1.54 per share,  (iv) a warrant  (the "August  Warrant") to acquire  487,000
Shares at an  exercise  price of $1.77 per share,  (v) a warrant  (the  "October
Warrant") to acquire  450,000 Shares at an exercise price of $1.93 per share and
(vi) 2,032,520 Shares.  Each of the June Warrant,  the Second June Warrant,  the
Series C  Preferred,  the August  Warrant  and the October  Warrant  contains an
issuance limitation prohibiting the Fund from exercising those securities to the
extent that such exercise  would result in  beneficial  ownership by the Fund of
more than  4.99% of the  Shares  then  issued  and  outstanding  (the  "Issuance
Limitation").  The  Issuance  Limitation  may be waived by the Fund upon 75 days
prior  notice to the Company and shall  automatically  become null and void upon
the  occurrence  and/or  continuance  of an event of default  (as defined in and
pursuant  to the terms of the  applicable  instrument).  The Fund is  managed by
Laurus  Capital  Management,  LLC.  Eugene  Grin and David Grin,  through  other
entities, are the controlling  principals of Laurus Capital Management,  LLC and
share sole voting and  investment  power over the  securities  owned by the Fund
reported in this Schedule 13G, as amended.



CUSIP No. 846241107

--------------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY).

     David Grin
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    CITIZENSHIP OR PLACE OF ORGANIZATION

     Israel
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    2,032,520 shares of Common Stock.*
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY        2,032,520 shares of Common Stock.*
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           2,032,520 shares of Common Stock.*
    WITH       -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER

                    2,032,520 shares of Common Stock.*
--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,032,520 shares of Common Stock.
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                     |X|


--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     8.3%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     IN
--------------------------------------------------------------------------------

----------
      * As of December 31, 2005,  Laurus Master Fund, Ltd. (the "Fund") held (i)
a warrant (the "June  Warrant") to acquire  200,000  shares of the common stock,
par value  $0.001  per share  (the  "Shares"),  of  SpaceDev,  Inc.,  a Colorado
corporation (the  "Company"),  at an exercise price of $0.6095 per share for the
first 125,000 Shares acquired thereunder,  $0.6625 per share for the next 50,000
Shares  acquired  thereunder  and  $0.7685  per share for the  remaining  Shares
acquired thereunder, subject in each case to certain adjustments, (ii) a warrant
(the "Second June  Warrant") to acquire  50,000  Shares at an exercise  price of
$0.6625  per share,  (iii)  248,460  Series C Preferred  Shares  (the  "Series C
Preferred") of the Company  convertible  into Shares at a fixed conversion price
of $1.54 per share,  (iv) a warrant  (the "August  Warrant") to acquire  487,000
Shares at an  exercise  price of $1.77 per share,  (v) a warrant  (the  "October
Warrant") to acquire  450,000 Shares at an exercise price of $1.93 per share and
(vi) 2,032,520 Shares.  Each of the June Warrant,  the Second June Warrant,  the
Series C  Preferred,  the August  Warrant  and the October  Warrant  contains an
issuance limitation prohibiting the Fund from exercising those securities to the
extent that such exercise  would result in  beneficial  ownership by the Fund of
more than  4.99% of the  Shares  then  issued  and  outstanding  (the  "Issuance
Limitation").  The  Issuance  Limitation  may be waived by the Fund upon 75 days
prior  notice to the Company and shall  automatically  become null and void upon
the  occurrence  and/or  continuance  of an event of default  (as defined in and
pursuant  to the terms of the  applicable  instrument).  The Fund is  managed by
Laurus  Capital  Management,  LLC.  Eugene  Grin and David Grin,  through  other
entities, are the controlling  principals of Laurus Capital Management,  LLC and
share sole voting and  investment  power over the  securities  owned by the Fund
reported in this Schedule 13G, as amended.



CUSIP No. 846241107

--------------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY).

     Eugene Grin
--------------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
     (a)  |_|
     (b)  |_|
--------------------------------------------------------------------------------
3    SEC USE ONLY


--------------------------------------------------------------------------------
4    CITIZENSHIP OR PLACE OF ORGANIZATION

     United States
--------------------------------------------------------------------------------
               5    SOLE VOTING POWER

                    2,032,520 shares of Common Stock.*
               -----------------------------------------------------------------
  NUMBER OF    6    SHARED VOTING POWER
   SHARES
BENEFICIALLY        2,032,520 shares of Common Stock.*
  OWNED BY     -----------------------------------------------------------------
    EACH       7    SOLE DISPOSITIVE POWER
  REPORTING
   PERSON           2,032,520 shares of Common Stock.*
    WITH       -----------------------------------------------------------------
               8    SHARED DISPOSITIVE POWER

                    2,032,520 shares of Common Stock.*
--------------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,032,520 shares of Common Stock.
--------------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)                                                     |X|


--------------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     8.3%
--------------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     IN
--------------------------------------------------------------------------------

----------
      * As of December 31, 2005,  Laurus Master Fund, Ltd. (the "Fund") held (i)
a warrant (the "June  Warrant") to acquire  200,000  shares of the common stock,
par value  $0.001  per share  (the  "Shares"),  of  SpaceDev,  Inc.,  a Colorado
corporation (the  "Company"),  at an exercise price of $0.6095 per share for the
first 125,000 Shares acquired thereunder,  $0.6625 per share for the next 50,000
Shares  acquired  thereunder  and  $0.7685  per share for the  remaining  Shares
acquired thereunder, subject in each case to certain adjustments, (ii) a warrant
(the "Second June  Warrant") to acquire  50,000  Shares at an exercise  price of
$0.6625  per share,  (iii)  248,460  Series C Preferred  Shares  (the  "Series C
Preferred") of the Company  convertible  into Shares at a fixed conversion price
of $1.54 per share,  (iv) a warrant  (the "August  Warrant") to acquire  487,000
Shares at an  exercise  price of $1.77 per share,  (v) a warrant  (the  "October
Warrant") to acquire  450,000 Shares at an exercise price of $1.93 per share and
(vi) 2,032,520 Shares.  Each of the June Warrant,  the Second June Warrant,  the
Series C  Preferred,  the August  Warrant  and the October  Warrant  contains an
issuance limitation prohibiting the Fund from exercising those securities to the
extent that such exercise  would result in  beneficial  ownership by the Fund of
more than  4.99% of the  Shares  then  issued  and  outstanding  (the  "Issuance
Limitation").  The  Issuance  Limitation  may be waived by the Fund upon 75 days
prior  notice to the Company and shall  automatically  become null and void upon
the  occurrence  and/or  continuance  of an event of default  (as defined in and
pursuant  to the terms of the  applicable  instrument).  The Fund is  managed by
Laurus  Capital  Management,  LLC.  Eugene  Grin and David Grin,  through  other
entities, are the controlling  principals of Laurus Capital Management,  LLC and
share sole voting and  investment  power over the  securities  owned by the Fund
reported in this Schedule 13G, as amended.



Item 1(a). Name of Issuer: SPACEDEV, INC.

Item 1(b). Address of Issuer's Principal Executive Offices:
           13855 Stowe Drive, Poway, CA 92064

Item 2(a). Name of Person Filing: Laurus Master Fund, Ltd.

            This  Schedule  13G, as  amended,  is also filed on behalf of Laurus
            Capital  Management,  LLC, a  Delaware  limited  liability  company,
            Eugene Grin and David Grin. Laurus Capital  Management,  LLC manages
            Laurus Master Fund, Ltd.  Eugene Grin and David Grin,  through other
            entities,   are  the   controlling   principals  of  Laurus  Capital
            Management,  LLC and share sole voting and investment power over the
            shares owned by Laurus Master Fund, Ltd. Information related to each
            of Laurus Capital Management, LLC, Eugene Grin and David Grin is set
            forth on Appendix A hereto.

Item 2(b). Address of  Principal  Business  Office or if none,  Residence:  c/o
           Laurus Capital  Management,  LLC, 825 Third Avenue,  14th Floor, New
           York, NY 10022

Item 2(c). Citizenship: Cayman Islands

Item 2(d). Title of Class of Securities: Common Stock

Item 2(e). CUSIP Number: 846241107

Item 3. Not Applicable

Item 4. Ownership:

      (a)   Amount Beneficially Owned: 2,032,520 shares of Common Stock*

      (b)   Percent of Class: 8.3%*



      (c)   Number of shares as to which such person has:

            (i)   sole power to vote or to direct the vote:  2,032,520 shares of
                  Common Stock*

            (ii)  shared power to vote or to direct the vote:  2,032,520  shares
                  of Common Stock*

            (iii) sole  power  to  dispose  or to  direct  the  disposition  of:
                  2,032,520 shares of Common Stock*

            iv)   shared  power to  dispose  or to direct  the  disposition  of:
                  2,032,520 shares of Common Stock*

Item 5. Ownership of Five Percent or Less of a Class: Not applicable

Item 6. Ownership  of More than Five Percent on Behalf of Another  Person:  Not
        applicable

Item 7. Identification  and  Classification  of Subsidiary  Which  Acquired the
        Securities: Not applicable

Item 8. Identification  and  Classification  of  Members  of  the  Group:  Not
        applicable

Item 9. Notice of Dissolution of Group: Not applicable

Item 10. Certification:

                  By signing  below I certify  that, to the best of my knowledge
and belief, the securities  referred to above were not acquired and are not held
for the purpose of or with the effect of changing or influencing  the control of
the  issuer  of the  securities  and  were  not  acquired  and are  not  held in
connection  with or as a participant in any  transaction  having that purpose or
effect.

----------
      * As of December 31, 2005,  Laurus Master Fund, Ltd. (the "Fund") held (i)
a warrant (the "June  Warrant") to acquire  200,000  shares of the common stock,
par value  $0.001  per share  (the  "Shares"),  of  SpaceDev,  Inc.,  a Colorado
corporation (the  "Company"),  at an exercise price of $0.6095 per share for the
first 125,000 Shares acquired thereunder,  $0.6625 per share for the next 50,000
Shares  acquired  thereunder  and  $0.7685  per share for the  remaining  Shares
acquired thereunder, subject in each case to certain adjustments, (ii) a warrant
(the "Second June  Warrant") to acquire  50,000  Shares at an exercise  price of
$0.6625  per share,  (iii)  248,460  Series C Preferred  Shares  (the  "Series C
Preferred") of the Company  convertible  into Shares at a fixed conversion price
of $1.54 per share,  (iv) a warrant  (the "August  Warrant") to acquire  487,000
Shares at an  exercise  price of $1.77 per share,  (v) a warrant  (the  "October
Warrant") to acquire  450,000 Shares at an exercise price of $1.93 per share and
(vi) 2,032,520 Shares.  Each of the June Warrant,  the Second June Warrant,  the
Series C  Preferred,  the August  Warrant  and the October  Warrant  contains an
issuance limitation prohibiting the Fund from exercising those securities to the
extent that such exercise  would result in  beneficial  ownership by the Fund of
more than  4.99% of the  Shares  then  issued  and  outstanding  (the  "Issuance
Limitation").  The  Issuance  Limitation  may be waived by the Fund upon 75 days
prior  notice to the Company and shall  automatically  become null and void upon
the  occurrence  and/or  continuance  of an event of default  (as defined in and
pursuant  to the terms of the  applicable  instrument).  The Fund is  managed by
Laurus  Capital  Management,  LLC.  Eugene  Grin and David Grin,  through  other
entities, are the controlling  principals of Laurus Capital Management,  LLC and
share sole voting and  investment  power over the  securities  owned by the Fund
reported in this Schedule 13G, as amended.



                                    SIGNATURE

After  reasonable  inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

                                        February 14, 2006
                                        ---------------------------
                                        Date

                                        /s/ Eugene Grin
                                        ---------------------------
                                        Eugene Grin
                                        Director



APPENDIX A

A. Name:                   Laurus Capital Management, LLC, a Delaware
                           limited liability company
   Business                825 Third Avenue, 14th Floor
   Address:                New York, New York 10022
   Place of Organization:  Delaware

B. Name:                   Eugene Grin
   Business                825 Third Avenue, 14th Floor
   Address:                New York, New York 10022

   Principal               Director of Laurus Master Fund, Ltd.
   Occupation:             Principal of Laurus Capital Management, LLC
   Citizenship:            United States

C. Name:                   David Grin
   Business                825 Third Avenue, 14th Floor
   Address:                New York, New York 10022

   Principal               Director of Laurus Master Fund, Ltd.
   Occupation:             Principal of Laurus Capital Management, LLC
   Citizenship:            Israel



Each of Laurus  Capital  Management,  LLC,  Eugene  Grin and David  Grin  hereby
agrees,  by their execution below,  that the Schedule 13G, as amended,  to which
this Appendix A is attached is filed on behalf of each of them, respectively.

Laurus Capital Management, LLC

/s/ Eugene Grin
-------------------------------------
    Eugene Grin
    Principal
    February 14, 2006

/s/ Eugene Grin
-------------------------------------
    Eugene Grin, on his individual behalf
    February 14, 2006

/s/ David Grin
-------------------------------------
    David Grin, on his individual behalf
    February 14, 2006