Night operation on may 17, 1943 at the dam art drawingNight operation on May 17, 1943 at the dam art drawing
Rescue operation with the help of the armed forcesRescue operation with the help of the armed forces
Operating system for mobile phones and other platformsOperating system for mobile phones and other platforms
The logo of the ios operating system. the number 7 on a green backgroundThe logo of the iOS operating system. The number 7 on a green background