Resultado de búsqueda
Hace 20 horas · Spaceflight began in the 20th century following theoretical and practical breakthroughs by Konstantin Tsiolkovsky, Robert H. Goddard, and Hermann Oberth, each of whom published works proposing rockets as the means for spaceflight. The first successful large-scale rocket programs were initiated in Nazi Germany by Wernher von Braun.The Soviet Union took the lead in the post-war Space Race ...
Hace 20 horas · The Royal Australian Air Force ( RAAF) is the principal aerial warfare force of Australia, a part of the Australian Defence Force (ADF) along with the Royal Australian Navy and the Australian Army. [4] Constitutionally the Governor-General of Australia is the de jure Commander-in-Chief of the Australian Defence Force.
