Firefly Aerospace is preparing to go public just months after becoming the first U.S. company to land on the moon.

The latest valuation comes after the company, which manufactures lunar landers and rockets, said in a regulatory filing that it expects to price shares in its IPO between $41 and $43 apiece. The price range values Firefly Aerospace at $6 billion and will raise nearly $700 million for the company at the top end of the range.

Firefly Aerospace has upped its valuation target to $6 billion from $5.5 billion through its initial public offering, according to a regulatory filing by the company. The Texas-based space and defense technology startup is offering 16.

Space technology startup Firefly Aerospace has raised the targeted range of its U.S. IPO and expects to raise up to $696.6 million, the company said in a filing on Monday.