After the initial launch for Boeing’s Starliner was scrapped last week due to a leaky valve, NASA could be looking to give it another go later this week. But one contractor is surprisingly and publicly asking the agency to reconsider the launch, which it warned could end in catastrophe.

ValveTech, a company that designs and manufactures valves and other components for aerospace and military applications, issued a press release stating that a second attempt could result in a disaster occurring on the launchpad. ValveTech President Erin Faville urged NASA to re-double safety checks and re-examine safety protocols to make sure the Starliner is safe before something catastrophic happens to the astronauts and to the people on the ground.

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