Exhibit 6.8

LOAN AGREEMENT

THIS LOAN AGREEMENT ("Agreement") is made as of the 5 day of June, 2016 (the "Effective Date") between Duke Robotics Inc., a private corporation, duly incorporated under the laws of the state of Delaware, ("Corporation") and the lenders as set forth in Schedule A attached hereto ("Lenders").

RECITALS

WHEREAS the Corporation requires immediate funding for its activities; and

WHEREAS the Board of Directors of the Corporation ("Board") has determined that it is in the

best interests of the Corporation to raise capital by way of financing, in order to finance its current and future business and activities; and

WHEREAS the Lenders are willing to provide the Corporation with a loan in an aggregate amount between US$100,000 to US$500,000, to be used by the Corporation for its ongoing activities, all according to the terms of this Agreement;

NOW, THEREFORE, the parties hereto hereby agree as follows:

The Preamble and Annexes to this Agreement constitute an integral part hereof.

The Lenders and/or any of their affiliates, shall make available to the Corporation an aggregate amount between US$100,000 to US$500,000 by way of a loan, to be provided in monthly installments, each in an amount of US$20,000 and up to US$40,000, subject to the sole discretion of the Lenders and according to Corporation needs for its ongoing business activities ("Loan").

The Loan shall bear an annual fixed interest at the rate of 3% ("Interest" and the "Interest Amount", respectively). It is clarified that the Interest shall be calculated and accumulated from the actual date of transfer of each installment of the Loan's amount, up and until the repayment of the Loan (or any part thereof, as applicable), according to the terms of this Agreement.

The Loan including the accumulated Interest Amount shall be repaid in full within 7 days from the receipt by the Corporation of any capital raised by the Corporation whether by a share offering and / or loans in excess of $2,500,000.

Notwithstanding the aforesaid, the Loan will immediately become due and payable in cash upon the occurrence of any of the following events: (a) immediately prior to the commencement by the Corporation of any liquidation proceedings or the adoption of a winding up resolution by the Corporation, or the calling by Corporation of a meeting of creditors for the purpose of entering into a scheme or arrangement with them; (b) the commencement by third parties of any liquidation proceedings; (c) the appointment of a receiver or trustee over the whole or any part or the Corporation's assets; or (d) the levy of an attachment or the institution of execution proceedings against all or a substantial part of Corporation's assets. The Corporation shall notify the Lenders within 24 hours of any such event.

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IN WITNESS WHEREOF, the parties have executed this Agreement as if the Effective Date.

CORPORATION

SCHEDULE A