SpaceX is harshly criticizing the Federal Aviation Administration after the agency proposed fining the Elon Musk company $633,009 for failing to follow launch rules last year.

Just days after regulators grounded SpaceX’s Mars-bound Starship rocket for two months, Elon Musk’s firm is facing a major fine for alleged safety violations of two launches last year,

SpaceX forcefully rejects the FAA’s findings of launch requirement violations, which resulted in fines. The company’s founder, Elon Musk, calls the penalties politically motivated and threatens legal action.

SpaceX said Thursday it "forcefully rejects" the Federal Aviation Administration's conclusion that Elon Musk's company failed to follow U.S. regulations during two rocket launches, alleged violations carrying $633,

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SpaceX released a copy of the letter it sent to the U.S. House Committee on Science, Space and Technology and the U.S. Senate Committee on Commerce, Science and Transportation, in which it objected to the FAA’s proposed $633,