citing potential safety concerns after FDA investigators found insanitary conditions.

A new hot staging technique was implemented to begin firing the Starship upper stages six Raptor engines while still attached to the Super Heavy first stage.A file photo of an earlier version of SpaceXs 397-foot-tall Super Heavy-Starship rocket on the companys Boca Chica.

the opening of a two-hour window.SpaceXs huge Super Heavy-Starship rocket has been cleared for a second test flight Friday.The dark Starship upper stage sits atop the Super Heavy first stage booster.

but no recovery is planned for this initial test flight.The vented section at the top of the Super Heavy will allow exhaust from the Starships engines to be deflected overboard during ignition while its still attached to the lower stage.

While designed to be fully reusable.

Multiple test flights will be needed to demonstrate the reliability required for astronaut flights and its not yet clear how long that might take.environmental authorities said.

the environment ministry said the procedure is expensive each sterilization costs about $9.which then poisons the rivers.

they end up killing fish and threatening endemic species like manatees.When the plan was first announced.