The space industry has seen rapid growth recently and continues to have a strong long-term expansion outlook, and investing in rocket stocks could be a way for investors to profit from the trend. While there are publicly traded companies that have decades of experience in rocketry, there has also been a rise in pure-play rocket and space-technology companies aiming to meet new demand for commercial and defense-related launches.

Best rocket stocks to buy now
1. Rocket Lab

NASDAQ: RKLB
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NYSE: LMT
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Lockheed Martin (LMT -0.58%) has been a leader of the U.S. aerospace and defense industry for decades. The company provides technologies and services to the U.S. Department of Defense and NASA, in addition to agencies from other governments around the world. The company's space segment is one of its four major divisions. For investors seeking diversified, well-established aerospace plays with exposure to growth in the rocket industry, Lockheed Martin could be a good portfolio addition.
The company has supported all 22 of NASA's Mars missions, and it's poised to play a major role in the agency's next big space exploration moves. Lockheed is the primary builder of NASA's Orion spacecraft for space exploration and a key contractor in the Artemis program to build facilities on the surface of the moon in preparation for travel to Mars.
Lockheed has been contracted to help build at least six of the Orion spacecraft and could wind up producing as many as 12 of the craft for NASA. The company is also designing the first rocket to ever be launched from the surface of Mars. Lockheed Martin's diversified leadership across multiple segments of the defense and aerospace industry makes its stock a good pick for investors seeking relatively low-risk plays in the rocket industry.
3. L3Harris Technologies

NYSE: LHX
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L3Harris Technologies (LHX +0.03%) is an aerospace and defense company that has played a role in nearly every major U.S. space and missile program. The company designs and manufactures engines and other related components that make rocket launches possible. It also manufactures hypersonic propulsion systems and solid rocket engines that are used in missile systems. In addition to rocket-related technologies, L3Harris also operates in the communications-systems-technologies and integrated-mission-systems categories.
In 2023, the company completed its acquisition of Aerojet Rocketdyne -- a move that further strengthened its position in the rocketry industry. Aerojet now operates as a business segment within L3Harris and develops rocket propulsion and energetics technologies, and it's currently working on projects including providing engines and other propulsion technologies for the Space Launch System (SLS) and Orion spacecraft as part of the U.S.'s Artemis program.
4. Voyager Technologies

NYSE: VOYG
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Investing in rocket stocks
The commercialization of space appears to be a trend that is still in the very early phases of unfolding, and investing in rocket stocks could be a good way for investors to gain exposure to potentially massive growth opportunities. Between growth for satellite-based internet and communications services for the consumer market and rising defense-related applications, the space industry looks poised to continue expanding at a rapid pace. With a promising outlook for satellite launches and space-station construction and maintenance, there is a promising demand picture for rocket-launch services and related technologies over the next decade and beyond.
Investing in individual industrial stocks with strengths in rocket technologies could allow investors to profit from space commercialization trends. Investors can also gain broad-based exposure to the space industry by investing in industrial ETFs.