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Shares of Rocket Lab USA, Inc. (RKLB) are on track for their best month of 2026 as investors bet on the space company after Rocket Lab hinted at a key role in America’s rapidly growing defense market.
RKLB stock has surged 60% so far this month, with shares also tracking their second straight week of gains.
Late Thursday, Rocket Lab said that U.S. Space Force Chief of Space Operations General Chance Saltzman recently visited the company. “It was an honor to host the Chief of Space Operations General Chance Saltzman at Rocket Lab recently,” the company said on X. “From responsive launch to advanced spacecraft, we’re proud to play a central role in securing the ultimate high ground for the U.S. Space Force.”
The renewed attention on Rocket Lab comes just days after the Congressional Budget Office estimated that U.S. President Donald Trump’s proposed Golden Dome missile-defense system could cost $1.2 trillion to develop, deploy and operate over the next 20 years, sharply above the Pentagon’s earlier $185 billion estimate.
Golden Dome aims to expand U.S. missile defenses through AI tracking systems, advanced interceptors, command-and-control infrastructure and large networks of space-based defense assets capable of detecting and potentially intercepting threats directly from orbit.
According to the CBO, acquisition costs alone could exceed $1 trillion, with nearly 70% coming from the system’s space-based interceptor layer, including a constellation of 7,800 satellites. The Pentagon has already awarded contracts worth up to $3.2 billion for early development of the Space-Based Interceptor.
The report also intensified investor interest in smaller space companies with exposure to launch infrastructure, hypersonic testing systems, satellite manufacturing, and national security payloads.
During Rocket Lab’s recent earnings call, CEO Peter Beck said that the space firm was already supporting missile warning, missile tracking, hypersonic testing and Space-Based Interceptor programs for Golden Dome.
The company also revealed that Rocket Lab and Raytheon had been selected to support development work for the Space-Based Interceptor initiative, one of the central pillars of the broader Golden Dome system. Rocket Lab also highlighted its Haste platform, a hypersonic test launch vehicle used by defense customers, as an important asset due to military demand for missile-defense testing. Beck said Haste had helped position Rocket Lab “in the center of America’s defense architecture for the next big wave of spending.”
Rocket Lab recently secured a $190 million multi-launch Haste contract for the Department of Defense’s MACH-TB program and also announced a partnership with defense tech company Anduril for dedicated Haste launches supporting national security missions.
The company also said that the long-term scale of Golden Dome could become a major driver of future Haste demand as the U.S. ramps up missile-defense simulations and hypersonic threat testing.
Rocket Lab also added to investor optimism late Thursday after announcing on X that its 1,000th Rutherford engine had rolled off the production line. The Rutherford engine, known as the world’s first 3D-printed, battery-powered orbital rocket engine, powers the company’s Electron launch vehicle.
Rocket Lab said the engine has now become one of the most manufactured rocket engines on Earth. The company previously showed successful recovery and testing of flown Rutherford engines. Investor focus has also increasingly shifted toward Neutron, Rocket Lab’s larger reusable rocket for constellation deployment and national security missions. During the latest earnings call, the company said that Neutron demand remained strong.
On Stocktwits, retail sentiment for RKLB slipped to ‘bullish’ from ‘extremely bullish’ levels a day ago amid an 8% decline in 24-hour message volumes.

One user said, “$RKLB this company is second to SpaceX. Anyone selling here will miss this big opportunity.”
Another user said, “Even at one tenth of SpaceX's market cap, this stock should be at 360.”
RKLB stock has rocketed 449% over the past year.
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