U.S. Fires Sentinel ICBM's Stage Two Rocket Engine for the First Time

Whenever the term ICBM comes up I feel chills running down my spine. That's because it is meant to designate some of the world's deadliest, most far-reaching, and most of the time nuclear-capable weapons ever devised by humanity. ICBM stands for intercontinental ballistic missile and is used to name long-range transport systems meant to defeat far-away adversaries. Tracing its roots back to the German V-2 rocket program, the ICB... (continue reading...)