Robert Heinlein did not get TB

1940s: Robert Heinlein did not get infected with TB and hence he continues his career in the Navy and becomes a leading figure in the development of rocket technology and space exploration. 
-1950s: With Heinlein's expertise and leadership, the United States accelerates its rocket development program and catches up with the Soviet Union in the "Space Race". 
-1960s: The United States becomes the first country to launch a human into space, thanks to Heinlein's contributions to the space program. 
-1970s-1980s: The United States continues to lead the world in space exploration and satellite technology, further solidifying its position as a global superpower. 
-1991-Present: The space race continues to drive technological innovation and international competition, with the United States remaining at the forefront.