Deal Overview
CACI International Inc. (NYSE: CACI) completed its $2.6 billion all-cash acquisition of ARKA Group L.P. on March 9, 2026. The seller was Blackstone Tactical Opportunities, which first backed ARKA in 2019 and spent the next five years bolt-on assembling it into a full-spectrum space intelligence platform — acquiring Amergint, Tethers Unlimited, Danbury Mission Technologies, Stratagem Group, Lumacron, and finally the radar and sensing business from Maxar in 2024.
The deal was announced December 19, 2025 and cleared regulatory approvals in under 80 days. CACI financed the acquisition entirely with cash and expects a tax benefit with a present value of approximately $225 million embedded in the transaction structure. ARKA is projected to contribute roughly $650 million in revenue and $150 million in EBITDA over the next twelve months, implying purchase multiples of approximately 4.0x NTM sales and 18x NTM EBITDA. More than 1,100 ARKA employees — 315 of them software engineers — joined CACI at close.
ARKA's core asset is its Danbury, Connecticut facility, which manufactures electro-optical/infrared (EO/IR) and hyperspectral imaging sensors for satellites. The company also operates ground-based software processing and agentic AI systems that convert raw sensor data into actionable geospatial intelligence for the DoD and Intelligence Community. Roughly half of ARKA's revenue mix is classified.
Why It Matters
The Golden Dome angle: CACI was explicit in its investor presentation that ARKA's capabilities are positioned directly for the Golden Dome missile defense initiative — the administration's marquee defense modernization program. Space-based sensors that can track hypersonic threats in real time are not a commodity. ARKA has the Danbury manufacturing depth and the cleared customer relationships to be a primary supplier. You can't build that in three years.
The vertical integration play: CACI has historically been an IT services and signals intelligence firm — the "pipes" side of national security. ARKA gives it the sensors and the AI software to own the full kill chain from collection to analysis. That's a fundamentally higher-margin, stickier business than managing government IT contracts.
Blackstone's exit: Blackstone assembled ARKA through six acquisitions over five years — a classic platform build — and sold at a time when defense multiples are elevated and space intelligence spending is accelerating. At ~18x EBITDA on a business that didn't exist as a single entity in 2019, they extracted maximum cycle value.
Classified revenue opacity: Half of ARKA's revenue is non-disclosed. CACI investors are underwriting a business they can't fully see, at a premium multiple, in a program environment that can shift with a single budget cycle.
Integration of six bolt-ons: Blackstone stitched ARKA together from disparate acquisitions. Whether those pieces share technology, culture, and processes — or merely a holding company — becomes CACI's problem at close.
Leverage at close: CACI funded with cash but still consumed a significant portion of its balance sheet. A continuing resolution or CR-extended budget environment would pressure ARKA's new contract wins at exactly the wrong time.
Irreplaceable hardware: The Danbury EO/IR manufacturing facility took decades to build. There is no shortcut to replicating its production capability for the classified satellite programs it serves.
Multi-domain intelligence moat: CACI's existing signals intelligence combined with ARKA's space-based sensing creates a multi-source intelligence platform that competes directly with much larger primes — at a fraction of their overhead.
Agentic AI in the right place: ARKA's agentic AI software is purpose-built for classified environments — exactly the use case the DoD is prioritizing under its February 2026 directive on sovereign AI for tactical edge missions.