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NASA OPEN SOURCE AGREEMENT VERSION 1.3

THIS OPEN SOURCE AGREEMENT ("AGREEMENT") DEFINES THE RIGHTS OF USE,
REPRODUCTION, DISTRIBUTION, MODIFICATION AND REDISTRIBUTION OF CERTAIN
COMPUTER SOFTWARE ORIGINALLY RELEASED BY THE UNITED STATES GOVERNMENT AS
REPRESENTED BY THE GOVERNMENT AGENCY LISTED BELOW ("GOVERNMENT AGENCY").
THE UNITED STATES GOVERNMENT, AS REPRESENTED BY GOVERNMENT AGENCY, IS AN
INTENDED THIRD-PARTY BENEFICIARY OF ALL SUBSEQUENT DISTRIBUTIONS OR
REDISTRIBUTIONS OF THE SUBJECT SOFTWARE.  ANYONE WHO USES, REPRODUCES,
DISTRIBUTES, MODIFIES OR REDISTRIBUTES THE SUBJECT SOFTWARE, AS DEFINED HEREIN,
OR ANY PART THEREOF, IS, BY THAT ACTION, ACCEPTING IN FULL THE RESPONSIBILITIES
AND OBLIGATIONS CONTAINED IN THIS AGREEMENT.

  1. DEFINITIONS

    A. "Contributor" means Government Agency, as the developer of the Original
       Software, and any entity that makes a Modification.
    B. "Covered Patents" mean patent claims licensable by a Contributor that
       are necessarily infringed by the use or sale of its Modification alone
       or when combined with the Subject Software.
    C. "Display" means the showing of a copy of the Subject Software, either
       directly or by means of an image, or any other device.
    D. "Distribution" means conveyance or transfer of the Subject Software,
       regardless of means, to another.
    E. "Larger Work" means computer software that combines Subject Software, or
       portions thereof, with software separate from the Subject Software that
       is not governed by the terms of this Agreement.
    F. "Modification" means any alteration of, including addition to or
       deletion from, the substance or structure of either the Original
       Software or Subject Software, and includes derivative works, as that
       term is defined in the Copyright Statute, 17 USC 101.  However, the act
       of including Subject Software as part of a Larger Work does not in and
       of itself constitute a Modification.
    G. "Original Software" means the computer software first released under
       this Agreement by Government Agency with Government Agency designation
       MSC-25665 and entitled Trick 13 Simulation Environment including source
       code, object code and accompanying documentation, if any.
    H. "Recipient" means anyone who acquires the Subject Software under this
       Agreement, including all Contributors.
    I. "Redistribution" means Distribution of the Subject Software after a
       Modification has been made.
    J. "Reproduction" means the making of a counterpart, image or copy of the
       Subject Software.
    K. "Sale" means the exchange of the Subject Software for money or
       equivalent value.
    L. "Subject Software" means the Original Software, Modifications, or any
       respective parts thereof.
    M. "Use" means the application or employment of the Subject Software for
       any purpose.

  2. GRANT OF RIGHTS

    A. Under Non-Patent Rights:  Subject to the terms and conditions of this
       Agreement, each Contributor, with respect to its own contribution to the
       Subject Software, hereby grants to each Recipient a non-exclusive,
       world-wide, royalty-free license to engage in the following activities
       pertaining to the Subject Software:

       1. Use
       2. Distribution
       3. Reproduction
       4. Modification
       5. Redistribution
       6. Display

    B. Under Patent Rights:  Subject to the terms and conditions of this
       Agreement, each Contributor, with respect to its own contribution to the
       Subject Software, hereby grants to each Recipient under Covered Patents
       a non-exclusive, world-wide, royalty-free license to engage in the
       following activities pertaining to the Subject Software:

       1. Use
       2. Distribution
       3. Reproduction
       4. Sale
       5. Offer for Sale

    C. The rights granted under Paragraph B. also apply to the combination of a
       Contributor's Modification and the Subject Software if, at the time the
       Modification is added by the Contributor, the addition of such
       Modification causes the combination to be covered by the Covered
       Patents.  It does not apply to any other combinations that include a
       Modification.

    D. The rights granted in Paragraphs A. and B. allow the Recipient to
       sublicense those same rights.  Such sublicense must be under the same
       terms and conditions of this Agreement.

  3. OBLIGATIONS OF RECIPIENT

    A. Distribution or Redistribution of the Subject Software must be made
       under this Agreement except for additions covered under paragraph 3H.

      1. Whenever a Recipient distributes or redistributes the Subject
         Software, a copy of this Agreement must be included with each copy of
         the Subject Software; and
      2. If Recipient distributes or redistributes the Subject Software in any
         form other than source code, Recipient must also make the source code
         freely available, and must provide with each copy of the Subject
         Software information on how to obtain the source code in a reasonable
         manner on or through a medium customarily used for software exchange.

    B. Each Recipient must ensure that the following copyright notice appears
       prominently in the Subject Software:

       Copyright 2013 United States Government as represented by the
       Administrator of the National Aeronautics and Space Administration.
       All Rights Reserved.

    C. Each Contributor must characterize its alteration of the Subject
       Software as a Modification and must identify itself as the originator
       of its Modification in a manner that reasonably allows subsequent
       Recipients to identify the originator of the Modification.  In
       fulfillment of these requirements, Contributor must include a file
       (e.g., a change log file) that describes the alterations made and the
       date of the alterations, identifies Contributor as originator of the
       alterations, and consents to characterization of the alterations as a
       Modification, for example, by including a statement that the
       Modification is derived, directly or indirectly, from Original Software
       provided by Government Agency. Once consent is granted, it may not
       thereafter be revoked.

    D. A Contributor may add its own copyright notice to the Subject Software.
       Once a copyright notice has been added to the Subject Software, a
       Recipient may not remove it without the express permission of the
       Contributor who added the notice.

    E. A Recipient may not make any representation in the Subject Software or
       in any promotional, advertising or other material that may be construed
       as an endorsement by Government Agency or by any prior Recipient of any
       product or service provided by Recipient, or that may seek to obtain
       commercial advantage by the fact of Government Agency's or a prior
       Recipient's participation in this Agreement

    F. In an effort to track usage and maintain accurate records of the Subject
       Software, each Recipient, upon receipt of the Subject Software, is
       requested to register with Government Agency by visiting the following
       website: https://github.com/nasa/Trick.  Recipient's name and personal
       information shall be used for statistical purposes only. Once a
       Recipient makes a Modification available, it is requested that the
       Recipient inform Government Agency at the web site provided above how to
       access the Modification.

    G. Each Contributor represents that its Modification is believed to be
       Contributor's original creation and does not violate any existing
       agreements, regulations, statutes or rules, and further that Contributor
       has sufficient rights to grant the rights conveyed by this Agreement.

    H. A Recipient may choose to offer, and to charge a fee for, warranty,
       support, indemnity and/or liability obligations to one or more other
       Recipients of the Subject Software.  A Recipient may do so, however,
       only on its own behalf and not on behalf of Government Agency or any
       other Recipient.  Such a Recipient must make it absolutely clear that
       any such warranty, support, indemnity and/or liability obligation is
       offered by that Recipient alone.  Further, such Recipient agrees to
       indemnify Government Agency and every other Recipient for any liability
       incurred by them as a result of warranty, support, indemnity and/or
       liability offered by such Recipient.

    I. A Recipient may create a Larger Work by combining Subject Software with
       separate software not governed by the terms of this agreement and
       distribute the Larger Work as a single product. In such case, the
       Recipient must make sure Subject Software, or portions thereof, included
       in the Larger Work is subject to this Agreement.

    J. Notwithstanding any provisions contained herein, Recipient is hereby put
       on notice that export of any goods or technical data from the United
       States may require some form of export license from the U.S. Government.
       Failure to obtain necessary export licenses may result in criminal
       liability under U.S. laws.  Government Agency neither represents that a
       license shall not be required nor that, if required, it shall be issued.
       Nothing granted herein provides any such export license.

  4. DISCLAIMER OF WARRANTIES AND LIABILITIES; WAIVER AND INDEMNIFICATION

    A. No Warranty: THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY
       WARRANTY OF ANY KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY,
       INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE
       WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
       MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR FREEDOM FROM
       INFRINGEMENT, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL BE ERROR FREE,
       OR ANY WARRANTY THAT DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE
       SUBJECT SOFTWARE. THIS AGREEMENT DOES NOT, IN ANY MANNER, CONSTITUTE AN
       ENDORSEMENT BY GOVERNMENT AGENCY OR ANY PRIOR RECIPIENT OF ANY RESULTS,
       RESULTING DESIGNS, HARDWARE, SOFTWARE PRODUCTS OR ANY OTHER APPLICATIONS
       RESULTING FROM USE OF THE SUBJECT SOFTWARE.  FURTHER, GOVERNMENT AGENCY
       DISCLAIMS ALL WARRANTIES AND LIABILITIES REGARDING THIRD-PARTY SOFTWARE,
       IF PRESENT IN THE ORIGINAL SOFTWARE, AND DISTRIBUTES IT "AS IS."

    B.Waiver and Indemnity:  RECIPIENT AGREES TO WAIVE ANY AND ALL CLAIMS
      AGAINST THE UNITED STATES GOVERNMENT, ITS CONTRACTORS AND SUBCONTRACTORS,
      AS WELL AS ANY PRIOR RECIPIENT.  IF RECIPIENT'S USE OF THE SUBJECT
      SOFTWARE RESULTS IN ANY LIABILITIES, DEMANDS, DAMAGES, EXPENSES OR LOSSES
      ARISING FROM SUCH USE, INCLUDING ANY DAMAGES FROM PRODUCTS BASED ON, OR
      RESULTING FROM, RECIPIENT'S USE OF THE SUBJECT SOFTWARE, RECIPIENT SHALL
      INDEMNIFY AND HOLD HARMLESS THE UNITED STATES GOVERNMENT, ITS CONTRACTORS
      AND SUBCONTRACTORS, AS WELL AS ANY PRIOR RECIPIENT, TO THE EXTENT
      PERMITTED BY LAW.  RECIPIENT'S SOLE REMEDY FOR ANY SUCH MATTER SHALL BE
      THE IMMEDIATE, UNILATERAL TERMINATION OF THIS AGREEMENT.


  5. GENERAL TERMS

    A. Termination:  This Agreement and the rights granted hereunder will
       terminate automatically if a Recipient fails to comply with these terms
       and conditions, and fails to cure such noncompliance within thirty (30)
       days of becoming aware of such noncompliance.  Upon termination, a
       Recipient agrees to immediately cease use and distribution of the
       Subject Software.  All sublicenses to the Subject Software properly
       granted by the breaching Recipient shall survive any such termination of
       this Agreement.

    B. Severability:  If any provision of this Agreement is invalid or
       unenforceable under applicable law, it shall not affect the validity or
       enforceability of the remainder of the terms of this Agreement.

    C. Applicable Law:  This Agreement shall be subject to United States
       federal law only for all purposes, including, but not limited to,
       determining the validity of this Agreement, the meaning of its
       provisions and the rights, obligations and remedies of the parties.

    D. Entire Understanding:  This Agreement constitutes the entire
       understanding and agreement of the parties relating to release of the
       Subject Software and may not be superseded, modified or amended except
       by further written agreement duly executed by the parties.

    E. Binding Authority:  By accepting and using the Subject Software under
       this Agreement, a Recipient affirms its authority to bind the Recipient
       to all terms and conditions of this Agreement and that that Recipient
       hereby agrees to all terms and conditions herein.

    F. Point of Contact:  Any Recipient contact with Government Agency is to be
       directed to the designated representative as follows:
       philip.a.strawser@nasa.gov