Joby Aviation Just Spent $500M to Buy a Defense Contractor. The Market Hates It. Here’s Why That’s Short-Sighted.
(SeaPRwire) – By: Reginald Vance
The market had a classic knee-jerk reaction. Joby Aviation announces a $500 million deal to buy Resonant Sciences, and the stock drops 5% premarket. The headline number scares retail traders. They see a cash-and-stock burn for a company that isn’t yet profitable on its core air taxi business. They miss the point entirely. This isn’t a distraction. This is a survival play that buys Joby something no amount of Series C funding can secure: a classified, revenue-generating, government-backed manufacturing floor.
Let’s rip the band-aid off the financials. Joby is paying roughly $450 million in cash and $50 million in stock. That is a hefty sum for a company that just reported $100 million in revenue. But look at the trajectory. Revenue grew 40% year-over-year. The backlog more than doubled. First-half bookings tripled. This is not a stagnant defense supplier. This is a hot asset with high-teens adjusted EBITDA margins. For a company burning cash on eVTOL certification, buying a profitable, high-margin division is the fastest way to stabilize the balance sheet without diluting shareholders further.
The physical assets are the real story. Resonant operates 105,000 square feet across seven buildings near Dayton, Ohio. They are building another 125,000 square feet. Joby already controls 768,000 square feet in the same region. Combine them, and you have roughly one million square feet of aerospace and defense manufacturing capacity. That is a serious hardware footprint. In the world of advanced materials, RF systems, and electronic countermeasures, square footage equals throughput. You cannot build classified hardware in a rented garage. You need SCIFs, secure supply chains, and cleared personnel. Joby just bought all of that.
The capital efficiency here is underrated. Joby is essentially using a public market valuation to acquire a private defense contractor with a proven cash flow stream. The $100 million in revenue from Resonant instantly offsets a chunk of Joby’s R&D burn. The high-teens operating margins mean this acquisition will be accretive to cash flow faster than any new air taxi route. The deal doesn’t close until the first half of 2027, which gives Joby time to tidy up its balance sheet. But the strategic logic is ironclad. You want to survive the capital-intensive hell of eVTOL certification? Get a profitable defense business that pays the bills while you wait.
The ultimate endgame here is vendor consolidation. The defense technology market is fragmenting. Small, agile firms like Resonant are getting gobbled up by larger primes. Joby is positioning itself as a Tier 1 supplier to the Pentagon, not just a air taxi startup. The dual-use technology path—turbine-electric, hydrogen-electric, autonomy—is the only way to justify the massive physical infrastructure they are building. The market is panicking over a $500 million price tag. It should be paying attention to the one million square feet of manufacturing capacity and the $100 million revenue base that just got bolted onto a company that desperately needed industrial credibility.
Author bio: Reginald Vance, a venture partner specializing in semiconductor valuation and advanced materials.