ISDC 2018, May 24-27 in Los Angeles, California
Invitation Letter Request Form
for people traveling for the NSS/NASA Ames Space Settlement Contest
If your travel is NOT Contest-related, please use our Non-Contest Invitation Form
If you have not yet registered for ISDC 2018, please also use this ISDC Registration Form
ISDC News:  Online meal ticket sales ends Sunday, May 20.

Thank you for your interest in visiting the United States to attend the 2018 International Space Development Conference® (ISDC®) and related activities.  The National Space Society can provide a letter of invitation for you to visit the U.S. for visits of 3 months or less.  This letter can be presented at your U.S. Embassy to support your request for a B-2 visitor (tourist) visa.

Please fill out the form below.  You will receive an email message to let you know that your request was properly received.  Once your request is approved, you will receive a second email message containing a link to display your letter of invitation, which you should then print to take to the Embassy.

Please be sure that you have a valid passport.  If you do not have a valid passport, you will not be able to obtain a visa; therefore you should apply for a passport immediately.

It is important to have a correctly formatted invitation letter to present to the Embassy or Consulate.  Follow these rules:
  • Use proper Capitalization for names and addresses.
    • Correct:  "John Doe" or "Constanta"
    • NOT Correct:  "JOHN DOE" or "constanta"
  • Do not use abbreviations if possible.
    • Correct:  "32 Willow Street" or "Lal Nehru Road"
    • NOT Correct:  "32 WILLOW STR" or "lal nehru rd"

Fields marked with a red asterisk * are required.  Enter "n/a" for fields that do not apply.
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Section I – Contact and Passport Information

 Title (if any):       Suffix (if any):  
( First Name = Given Name = Forename = Prenume   |   Last Name = Family Name = Surname = Nume )
*First Name(s):     *Last Name:  
( Passport Name = Enter your name EXACTLY as it appears on your passport. )
*Passport Name:
Please provide an email address to receive confirmation of this transaction.
*E-Mail Address:
 Confirm E-Mail:
 Phone Number (if any):      

Section II – Postal Address Information

Please provide your home postal address.  If your postal address is your
school or business address, please provide the name below; else leave it blank.
(Please select your Country first.   If not found, select your Continent to bring up list.)
*Street Address:
 Address Line 2:
*State/Province:     Other:  

Section III – Contest Entry Information

If you selected "parent, guardian, or relative" above, please provide the name of your student.
 Student Name:
Please provide the title of the submitted project, or else the team name.  (One name is sufficient.)
*Project Title:

Section IV – Other Information

*Current NSS Member?      Membership # (if known):  
Other information or questions:


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Updated Monday, 26-Mar-2018 15:47:18 EDT
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