Launch of the Curiosity Mars rover

SpaceX launched a Falcon 9 rocket at 8:51 a.m. EST (1351 GMT) Sunday from Cape Canaveral with the first in a new line of upgraded U.S. Air Force GPS navigation satellites. The launch was delayed five days due to technical and weather concerns.

President Donald Trump signed a new NASA authorization bill Tuesday, the first such space policy framework since early in the Obama administration, that largely continues the space agency’s efforts to foster a commercial economy in Earth orbit and explore deep space, with an eventual goal of landing humans on Mars.

A robotic space shuttle with stubby wings, tail fins, its belly covered with black thermal tiles, clam-shell doors that swing open to reveal a payload bay and a solar array for ultralong-duration missions rode into orbit Wednesday on the fourth mission of the Air Force’s reusable X-37B spaceplane project.