A letter of invitation or Affidavit of Support is not needed to apply for a nonimmigrant tourist visa. If you do choose to bring a letter of invitation or Affidavit of Support to your interview, ...

1. Fill out the VISA Request Letter for the Connected Aviation Intelligence Summit. The sooner you fill out your letter of invitation, the better, as it may take longer to apply for a visitor visa. 2.

A letter of invitation or Affidavit of Support is not needed to apply for a non-immigrant tourist visa. If you do choose to bring a letter of invitation or Affidavit of Support to your interview, ...