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ASX defence stocks are back on more watchlists and according to the Stockholm International Peace Research Institute (SIPRI), global military spending reached approximately US$2.718 trillion in 2024, up 9.4% in real terms.

Australia’s current defence settings are set out in the 2024 National Defence Strategy and related investment planning documents, which outline long-term capability funding priorities. Furthermore, Canberra has pointed to A$330 billion of capability investment through 2034, including added funding for surface combatants, preparedness, long-range strike and autonomous systems.

Here is the part most people miss: not all ASX defence stocks are the same trade. Some sit close to naval shipbuilding. Some are counter-drone names and some are smaller, higher-risk operators where one contract may matter much more than the market assumes.

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These five names are not a buy list, rather they are a practical watchlist for investors trying to understand where procurement momentum may actually show up on the ASX.

1) Austal (ASX: ASB)

Austal is one of the ASX-listed companies most directly exposed to Australia’s naval shipbuilding pipeline, although contract execution, margins and delivery timing remain important variables.

They aren't just winning random contracts; they have signed a massive legal agreement (the Strategic Shipbuilding Agreement) that makes them the official partner for building Australia's next generation of mid-sized military ships in Western Australia.

In February 2026, the government gave Austal the green light on a $4 billion project. This isn't for just one ship, it’s for 8 "Landing Craft Heavy" vessels. These are huge transport ships (about 100 metres long) designed to carry heavy tanks and equipment directly onto a beach. But here is the part most people miss, shipbuilding is a marathon, not a sprint.

As you can see in the delivery timeline, while construction starts in 2026, the final ship won't be delivered until 2038. For an investor, this means Austal has a "guaranteed" stream of income for the next 12 years, but they have to be very good at managing their costs over that long period to actually make a profit.

2) DroneShield (ASX: DRO)

If you have seen footage of small drones disrupting modern battlefields, DroneShield is building part of the "off switch". Its focus is counter-drone technology, including systems that detect, disrupt or defeat drones using electronic warfare, sensors and software-led tools, rather than relying only on traditional munitions.

By early 2026, DroneShield had moved beyond the label of a promising start-up and into a much larger commercial phase. It reported FY2025 revenue of A$216.5 million, up 276% from FY2024, and said it started FY2026 with A$103.5 million in committed revenue.

One point the market may overlook is the software layer in the model. DroneShield reported A$11.6 million in Software as a Service (SaaS) revenue in FY2025 and said it is working towards SaaS making up 30% of revenue within five years. Its subscription model includes software updates for deployed systems, which adds a growing stream of recurring revenue alongside hardware sales.

Among ASX defence stocks, DroneShield is one of the most direct ways to follow the counter-UAS theme. It is also one of the names where sentiment can swing quickly, because growth stories can rerate both up and down when order timing changes.

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3) Electro Optic Systems (ASX: EOS)

EOS builds both the "brain" and the "muscle" for military platforms. It is best known for remote weapon systems, which allow operators to control armed turrets from inside protected vehicles, and for high-energy laser systems aimed at counter-drone defence. EOS has said its unconditional backlog reached about A$459.1 million in early 2026, following a series of contract wins through 2025. That points to a much larger base of secured work, although delivery timing and revenue conversion still matter.

EOS signed a €71.4 million, about A$125 million, contract with a European customer for a 100-kilowatt high-energy laser weapon system. EOS says the system is designed for a low cost per shot and can engage up to 20 drones a minute. The Australian Government has set aside A$1.3 billion over 10 years for counter-drone capability acquisition, and EOS has disclosed that it was part of a successful LAND 156 bid team. That does not guarantee future revenue, but it does support medium-term visibility in a market the company is already targeting.

EOS reads as a rebound story, but one that still depends on execution. The company has reoriented around remote weapon systems, counter-drone systems and lasers, all areas tied to stronger defence spending. The key question is whether it can keep converting backlog and pipeline into delivered revenue while maintaining balance-sheet discipline.

4) Codan (ASX: CDA)

Codan is sometimes left out of casual defence stock lists because it is more diversified. That may be an oversight. In its H1 FY26 results, Codan said its Communications business designs mission-critical communications for global military and public safety markets. Communications revenue rose 19% to A$221.8 million. The company also said DTC delivered strong growth from defence and unmanned systems demand, with unmanned systems revenue up 68% to A$73 million. Codan said about half of that unmanned revenue was linked to operational defence applications in conflict zones.

This is where the story becomes more nuanced. In a basket of ASX defence stocks, Codan may offer a different profile, with less pure headline sensitivity, broader operating diversification and meaningful exposure to military communications and unmanned systems without being a single-theme name. That diversification may also mean the stock does not always trade like a pure-play defence name.

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5) HighCom (ASX: HCL)

HighCom sits at the speculative end of this list, and it should be labelled that way. The company says its two continuing businesses are HighCom Armor, which supplies ballistic protection, and HighCom Technology, which supplies and maintains small and medium uncrewed aerial systems, counter-uncrewed aerial systems, and related engineering, integration, maintenance and logistics support for the ADF and other aligned regional militaries.

In H1 FY26, revenue from continuing operations fell 59% to A$10.9 million, while EBITDA moved to a A$5.4 million loss from a A$1.9 million profit a year earlier. HighCom also disclosed A$5.1 million in HighCom Technology revenue, including A$3.5 million from small uncrewed aerial systems (SUAS) spare parts and A$1.6 million from sustainment services provided to the Australian Department of Defence.

So yes, HighCom is one of the more financially sensitive ASX defence stocks on the board. But it is also the kind of smaller name that can show how procurement filters down into support, sustainment and specialist protection gear.

Key market observations

• Track program milestones, not just political headlines. Contract awards, manufacturing starts, delivery schedules and sustainment work often matter more than a single announcement day.
• Separate pure-play exposure from diversified exposure. DroneShield and EOS are closer to concentrated defence technology themes, while Codan brings communications exposure within a broader business mix.
• Watch sovereign capability themes in Australia. Austal and EOS are tied to local manufacturing, integration and Australian supply chains, which supports the broader sovereign capability theme in this group.
• Pay attention to balance sheets and cash conversion. Procurement momentum can be real even when timing gets messy. HighCom's latest half is a reminder of that.

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Risks and constraints

Defence headlines can look immediate. Earnings usually are not. Austal's major naval work stretches into the next decade. EOS contracts are delivered over multiple years. DroneShield's order flow appears strong, but the company still separates committed revenue from broader pipeline opportunity. HighCom shows the other side of the coin. Exposure to procurement does not automatically translate into smooth financial execution.

References to ASX-listed defence stocks are general information only, not a recommendation to buy, sell or hold any security or CFD. These stocks can be highly volatile and are sensitive to contract timing, government policy, geopolitics, execution risk and market conditions. Backlog, pipeline and revenue expectations are not guarantees of future performance.

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