The United Launch Alliance Delta 4 rocket roars off the pad with the Global Positioning System 2F-9 satellite. Photos by ULA.

Arianespace launched a solid-fueled Vega rocket from French Guiana at 9:51 p.m. EDT Wednesday (0151 GMT Thursday) after delays of more than five months caused by the coronavirus pandemic and unfavorable upper level winds. The Italian-built launcher will deploy 53 small satellites into orbit.

It’s Steve Clarke’s job to merge the goals of space scientists with NASA’s strategic plans for exploring the solar system, two factors which are not always in lock-step, as the space agency seeks to return humans to the moon, and eventually send astronauts to Mars.