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IMPORTANT! Payment is due at time of signup. Emails come from appointments@wixbookings.com and mail@wixinvoices.com. Please check your spam and junk folder if you do not receive an email after you book. 

If you need to be invoiced for course approval, pay by check or ACH, or pay for more than one person please use the following form:​

If you need help or have any questions contact kel@teamsassi.com or call 703-263-9113.

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NATIONAL SECURITY TRAINING INSTITUTE. ALL RIGHTS RESERVED. 2024.

A wholly-owned subsidiary of Special Aerospace Security Services, Inc.

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