Firefly Aerospace completes a $175 million Series D fundraising round, resulting in a valuation of over $2 billion.Firefly's diversified portfolio, including its Alpha rocket and orbital transfer vehicle, Elytra, prove attractive to investors.The company aims to become the second company to safely place a commercial lander on the Moon.Firefly's fundraising success follows a previous round in 2023, where $300 million was raised at a valuation of $1.5 billion.