The X-15 was the last in a line of manned rocket-powered research airplanes built during the 1950s to explore ever-faster and higher flight regimes....
Libreng Walang limitasyong Pag-access, Maghanap para sa anumang Walang Mga Ad, Milyun-milyong mga pamagat at idinagdag araw-araw, Lahat ng mga platform at Ganap na Na-optimize, Kahit saan at anumang oras
Mabilis na Pag-sign Up!
Lumikha ng libreng account