Watch the Falcon Heavy roar to life

A bad input to the Ariane 5 rocket’s guidance system that was missed during pre-launch quality control checks caused the launcher to deviate from its expected flight path and place two commercial communications satellites in the wrong orbit Jan. 25, Arianespace announced Friday.

Two Earth-imaging microsatellites built and owned by the Argentine company Satellogic launched on a Long March 2D rocket from China Wednesday, sharing a ride into orbit with two Chinese spacecraft.

Boeing specialists working inside a former space shuttle hangar in Florida started fueling the company’s first spaceflight-ready Starliner capsule this week ahead of the ship’s rollout to its launch pad later this month. The fueling milestone is a major step in the Starliner launch campaign, and comes after engineers concluded that human error led to a parachute deployment malfunction during a crew capsule abort test Monday.