Zip Code 45368 - South Charleston OH Ohio, USA - Clark County Home | Products | Learn About ZIP Codes | Find a Post Office | Search | Contact | FAQs south charleston, oh 45368
In the early 1960s, deployment of rocket-powered ejection seats designed for use at supersonic speeds began in such planes as the Convair F-106 Delta Dart. Six pilots have ejected at speeds exceeding 700 knots (1,300 km/h; 810 mph).
1 ). If your computer has an eject button on the keyboard, restart the computer holding down the Option key. 2  When the startup disk selection screen appears, let go of the option key and press the keyboard's eject button. 3  Shut down the computer, turn it back on, and let it sit for 10-15 minutes.