Rocket Lab (RKLB) Stock Has Quietly Become a Serious Defense Player – Here’s Why

TLDR

• Rocket Lab passed the System Requirements Review (SRR) for the SDA’s Tracking Layer Tranche 3 (TRKT3) missile defense constellation program.
• The ~$816M TRKT3 contract pushes Rocket Lab’s total SDA contract wins past $1.3 billion.
• Satellites will be built on the Lightning platform with all major components made in-house, including Phoenix IR sensors and StarLite protection sensors.
• Cantor Fitzgerald reiterated an Overweight rating with a $96 price target; the stock trades near $143, up ~399% over the past year.
• Rocket Lab also recently acquired Motiv Space Systems and won a $90M Space Force contract for two geostationary satellites.

Rocket Lab (RKLB) has cleared the System Requirements Review for the Space Development Agency’s Tracking Layer Tranche 3 constellation program — a milestone that confirms the company’s satellite design meets SDA’s operational standards.

Rocket Lab USA, Inc., RKLB

The review sets the technical baseline for a program focused on missile warning, tracking, and defense for U.S. and allied national security operations.

RKLB stock was trading around $143.20 at the time of the announcement, near its 52-week high of $146, and is up roughly 399% over the past year. The company carries an $82.9 billion market cap.

The TRKT3 contract is worth approximately $816 million. Combined with an earlier ~$515 million Transport Layer-Beta Tranche 2 award, Rocket Lab’s cumulative SDA contract total now exceeds $1.3 billion.

The constellation will be built on Rocket Lab’s Lightning satellite platform. Notably, the company plans to manufacture all major components internally — including Phoenix infrared sensor payloads, StarLite space protection sensors, solar arrays, avionics, optical terminals, propulsion systems, and ground software.

The Phoenix payload is designed for wide field-of-view missile detection. The StarLite sensors are built to protect satellites from directed energy threats.

Growing Defense Portfolio

The SDA milestone is one of several defense-related developments Rocket Lab has announced recently.

On May 21, the company won a $90 million contract from the U.S. Space Force’s Space Systems Command to design, build, and operate two geostationary satellites — its first-ever geostationary satellite production program.

On May 22, Rocket Lab completed its ninth Electron launch of the year, deploying a Synspective StriX radar-imaging satellite into low Earth orbit.

Motiv Acquisition Adds Robotics Capability

On May 26, Rocket Lab completed its acquisition of Motiv Space Systems, now rebranded as Rocket Lab Robotics. Motiv’s technology includes Mars-proven robotics used on NASA’s Perseverance rover and CADRE lunar rovers, plus solar array drive assemblies and antennas.

The acquisition broadens Rocket Lab’s in-house manufacturing capabilities, which the company argues gives it an edge on cost control and timeline management for sensitive defense programs.

Cantor Fitzgerald reiterated its Overweight rating on RKLB following these announcements, maintaining a $96 price target. The firm cited risks including further delays to the Neutron rocket, regulatory risks, potential budget cuts, and supply chain disruption.

Shareholders at Rocket Lab’s 2026 Annual Meeting recently approved the election of Edward H. Frank as a Class II director for a three-year term.

The next focus for investors will be future SDA program milestones, satellite deployment timelines, progress on the Neutron launch vehicle, and margin performance on large-scale government contracts.

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