An official website of the United States Government 
Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Photos

Snapshots of what’s happening in the Defense Department.

A war scene shows a tank burning in the street and citizens with a flag running along the sidewalk.

Invasion Protests

During the 1968 Soviet invasion of Czechoslovakia, Czechoslovaks carry their national flag past a burning tank in the capital of Prague.

  • Download: Full Size (1.92 MB)
  • Credit: Central Intelligence Agency VIRIN: 680410-O-D0439-001.JPG
Photo Gallery