@TonyJB, That's a great question. You are able to use your USAA Visa credit card anywhere around the world that accepts Visa. There are no foreign transaction fees. We do recommend placing a travel notification on your credit card account. You can add your travel notifications online or on the USAA mobile app.
On the mobile app select your credit card account, once selected click the menu in the upper right and scroll down to Travel Notifications.
On the website, select the account and scroll to the bottom to Account Services.