بطارية استثمار مباشر عابر للقارات
مراحل إقلاع الصاروخ الباليستي: boost phase: 3 to 5 minutes (shorter for a solid rocket than for a liquid-propellant rocket); altitude at the end of this phase is typically 150 to 400 km depending on the trajectory chosen, typical burnout speed is 7 km/s, up to the speed of Low Earth Orbit.; midcourse phase: approx. 25 minutes—sub-orbital spaceflight in an elliptic ...