SpaceX will launch Starship for a seventh test flight on Wednesday, an experiment that will feature the spacecraft’s first payload deployment test, marking what could be the latest milestone for the Elon Musk-owned aerospace company as it develops reusable rockets.

SpaceX is ready to send up its first test flight of the year for its Starship and Super Heavy rocket from Texas, but delayed it one day to Thursday, when the company will once again go for a booster catch back at the launch site.

SpaceX’s giant Starship rocket is slated to launch for the seventh time on Thursday in a crucial test of its ability to carry and place satellites into orbit.