The People’s Republic of China (PRC) is rapidly expanding a secretive airbase in the northwest of the country that is loosely akin to America’s top-secret proving ground at Area 51. The facility is used to test experimental platforms and next-generation combat aircraft, sporting one of the longest runways in the world at 16,400 feet. It has transformed from a relatively austere and remote airstrip into an increasingly sprawling People’s Liberation Army (PLA) flight-test center over the past few years, and there is no sign that construction will slow anytime soon. In fact, it’s accelerating, and one of its newest features is of significant interest.

Satellite imagery taken by Planet Labs on August 27, 2026, shows the scale and scope of the buildout in high-resolution detail.

The installation is located near the infamous Lop Nur Nuclear Test Base in the desolate, arid Xinjiang autonomous region of northwestern China. Lop Nur is the PRC’s primary testing facility for nuclear weapons and where China detonated its first nuclear device, codenamed Project 596, in 1964, becoming the world’s fifth nuclear power.

Last year, TWZ spotted both of China’s sixth-generation stealth fighter designs, the J-36 and J-XDS, at the base for the first time − far from the home airfields of their respective manufacturers, Chengdu and Shenyang. Before supporting the development of advanced air combat technologies, the facility was linked to military space development efforts and testing reusable space planes as far back as 2020. At that point, the site was nothing more than a 3.1-mile runway with a small hangar and a few scattered vehicles.

In 2023, the main apron was significantly expanded, and a new large hangar was added. In 2025, new hangars were added on both sides of the main ramp area via extensions. These shelters appeared to be optimized for tactical fixed-wing aircraft. Not long after those facilities were complete, the two 6th-generation fighter aircraft showed up. The pace of further construction ramped in May 2025 and hasn’t let up since. The time-lapse below visualizes the gradual, then all-at-once progression over the past six years.

“New taxiways, aircraft turning pads, hangars and possible fuel-storage infrastructure substantially increase the airfield’s capacity to support aircraft movements and sustained flight-test activity,” Damien Symon, a geo-intelligence researcher and friend of TWZ, told us. Symon assisted TWZ in identifying the new structures.

Several key areas of the site have been reshaped since the beginning of the year, marked on the annotated graphic near the top of this story.

Below the southern end of the runway, construction is moving fast on a new taxiway extension running parallel to the runway, connecting it to the central apron and main hangar. The nearly completed route will allow additional aircraft to move more freely without having to back-taxi on the runway, which is a huge problem for higher operations tempos and more complex sortie launches and recoveries.

“Of particular interest are several large aircraft hangars in the southern section of the airbase, each measuring approximately 80 by 40 meters (262 by 131 feet),” Symon said of the three hangars grouped together that are being constructed on the south ramp. A fourth appears on its own just farther south on the apron, with different dimensions. The hangars, with direct access to the new southern taxiway, are sized to accommodate all of the tactical and strategic aircraft in the PLA’s current fleet. For scale, the PRC’s only strategic bomber in active service, the Xi’an H-6, has a wingspan of approximately 108 feet. But what’s already flying operationally isn’t the focus of these new facilities, it’s a unique class of aircraft, some of which are in testing now and more will be in the future.

The hangars’ wide proportions are similar to those of new ones found at China’s other secretive major test airbase in Xinjiang, located near Malan, which is largely focused on unmanned aircraft. The buildout comes as two massive stealth flying wing drones are in flight testing and we await the H-20 stealth bomber. It remains unclear where the H-20, which still hasn’t made a public appearance, will be tested. However, Lop Nur would be an ideal locale considering how sensitive the program is, and these new hangars could very well be in preparation for its arrival. It’s also worth noting that this installation appears more focused on crewed platforms, not drones, like at Malan. So sending the H-20 here for at least part of its test program would make sense, although this is just speculation at this time.

Broad construction continues behind the central apron area, with several buildings that were in development late last year now completed. A cluster of prefabricated containers arranged in tight rows for storage and accommodation has appeared since our last review. The additional laborers, materials, or equipment could be housed there to support the aggressive pace of development, as a much larger workforce would be required to speed up the construction process. Excavation and construction have started at other locations nearby, but they are in the early stages of development and their future purpose is unknown. Farther east, on the outskirts of the facility, a concrete batching plant with wash-water ponds and segregated aggregate stockpiles was recently built.

Grading is underway for another taxiway that will connect the central apron to the northern part of the main runway. The latest imagery suggests that concrete has just started to be poured. A circular pad with a 400-foot diameter has taken shape at the northern end with direct access to both the runway and the main base, which TWZ assesses to be an engine run and turnaround pad. If a shelter were added, it could also act as a “scoot and hide” area for keeping sensitive test articles from being seen by satellites passing overhead. An apron extension near the circular pad is also under construction, with at least two large hangars being built there, although they will have more traditional proportions compared to the four wide ones on the south ramp.

Additionally, Symon identified possible fuel-storage infrastructure under construction that would “further expand the base’s aviation-support capacity.” If confirmed, “the additional infrastructure could support a higher sortie rate and longer periods of sustained flight activity, consistent with an expansion in the scale or tempo of operations at Lop Nur,” he added.

The facility is clearly in the process of taking on a very important role in China’s advanced aerospace development ecosystem, and its significance will only grow as it expands to accommodate more, and bigger, airframes. With the hangar additions we are seeing, major programs are about to migrate there, even on a detachment basis, for extensive testing. The new southern hangars, in particular, suggest the PLA expects to be testing aircraft with far wider wingspans in the not-too-distant future.

Contact the author: ian.ellis-jones@recurrent.io or on X @ianellisjones

Author’s note: Special thanks to Damien Symon for assisting with the imagery analysis, be sure to follow him on X at @detresfa_

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Indonesia is about to become the second Southeast Asian country to operate an aircraft carrier, nearly three decades after Thailand became the first with HTMS Chakri Naruebet. The latest addition to the region’s small carrier club is the former Italian Navy carrier Giuseppe Garibaldi, which departed Italy earlier this week, bound for Indonesia, where it will eventually become KRI Gajah Mada. Indonesian Navy Chief of Staff Admiral Muhammad Ali confirmed the ship’s departure on Tuesday.

Garibaldi is expected to spend more than 20 days making the journey from Italy to Indonesia, passing through the Suez Canal and Red Sea. Italian frigates are accompanying the carrier during the transit.

According to Admiral Ali, the ship is scheduled to reach Indonesia between September 15 and 20.

The carrier will retain its Italian identity throughout the voyage, sailing as Giuseppe Garibaldi under the Italian flag until the formal transfer, when it will be renamed and placed under Indonesian command.

Commissioned in 1985, Garibaldi was initially described as a “helicopter cruiser” before being redesignated as an aircraft-carrying cruiser in 1989 and receiving the Italian Navy’s AV-8B Harrier II jump jets. The ship subsequently served as Italy’s flagship and later shifted toward amphibious operations and command-and-control duties after the larger Cavour entered service.

At around 13,850 tons full load, Garibaldi combined a relatively compact aviation capability with a multirole weapon and sensor fit, at least in its early period of service. Its armament historically included two octuple launchers for Sea Sparrow/Aspide surface-to-air missiles, four Otomat Mk 2 anti-ship missiles, two 2 triple torpedo tubes, and three twin Oto Melara 40mm guns.

Indonesia is acquiring the ship through an intergovernmental grant arrangement rather than purchasing it through a conventional commercial transaction.

Although it has spent almost four decades in Italian service, the ship offers considerable flexibility, combining a large aviation facility with the ability to serve as a command and support platform.

Jakarta says it plans to use the ship primarily as a helicopter-capable aviation platform, with aircraft from the Indonesian Navy, Air Force, and Army expected to operate from its deck.

Ahead of the ship’s arrival, preparations have included establishing a training facility at Juanda Naval Air Station/International Airport in Sidoarjo, East Java. Here, the large outline of a carrier flight deck has been painted on an apron/helipad area on the southern side of the installation, to familiarize naval pilots and deck crews with carrier flight-deck procedures.

Thailand’s experience provides useful context here. When Chakri Naruebet entered service in 1997, it was configured to operate AV-8S Harriers as well as helicopters. The Harriers were subsequently retired, leaving the ship to perform a much broader range of roles, including helicopter operations, disaster response, training, and VIP duties. TWZ has previously examined that unusual evolution in detail.

Once in service, Indonesia will likely operate the Gajah Mada as a mobile aviation base. This will allow helicopters to provide transport, surveillance, logistics, search and rescue, disaster relief, and potentially anti-submarine warfare and amphibious support capabilities over much greater distances than when operating from land bases, and in much larger numbers than operating from other Indonesian Navy vessels.

The potential mission set is particularly relevant for Indonesia, whose territory stretches across thousands of islands.

Occupying a strategic position at the southern end of the South China Sea, Indonesia is also locked in a maritime dispute with China, including incidents in which Chinese fishing boats accompanied by Chinese Coast Guard vessels have entered Indonesia’s exclusive economic zone in the South China Sea. The tense situation as regards China seems to be driving something of a defense spending spree in Indonesia, with high-profile acquisitions including French-made Rafale fighters and submarines.

Meanwhile, in peacetime, disaster response is also a significant consideration for Indonesia. The Gajah Mada will be able to bring helicopters, personnel, supplies, and command-and-control capabilities to areas where local infrastructure has been damaged or where access is otherwise difficult.

The ship is also likely to take part in maritime security missions and regional deployments including multinational training exercises.

There is potential for Indonesia to adapt the warship for drone operations too, something that Italian shipbuilder Fincantieri has previously proposed. While Indonesia has not announced such a capability as part of the ship’s initial configuration, it has acquired Turkish-made Bayraktar TB3 drones, which have demonstrated operations from carrier decks.

As well as Turkey’s Anadolu, which has evolved into a platform for operating drones after Turkey lost access to the F-35B program, other navies are similarly experimenting with integrating uncrewed aircraft into helicopter-carrier-sized ships, reflecting a broader shift toward using large flight decks for mixed crewed and uncrewed aviation. The trend includes experiments with fixed-wing drones on amphibious assault ships, including in China and the United States.

For Indonesia, a future combination of helicopters and drones could provide the Gajah Mada with persistent surveillance and potentially strike capabilities without requiring the country to develop a conventional fixed-wing carrier air wing.

How extensively Indonesia eventually makes use of any of its capabilities will depend on its ability to sustain the ship and build the associated aviation infrastructure and expertise.

The Indonesian Navy is constructing the warship’s future base in Lampung, on the southern tip of the Indonesian island of Sumatra. The facility is expected to be finished around the time the ship arrives and operational by the end of September.

The ship’s formal transformation into an Indonesian warship is planned for September 25. A commissioning and flag-changing ceremony is scheduled for that date, with President Prabowo Subianto expected to attend and officiate.

At that point, the carrier will become KRI Gajah Mada, taking its name from the famous Majapahit-era military commander and statesman.

The Navy plans to include the ship in celebrations marking the 81st anniversary of the Indonesian National Defense Forces, or TNI, in October.

Thailand’s experience with the Chakri Naruebet, which only very rarely goes to sea for any length of time, underscores the fact that buying a carrier is the relatively easy part. Creating a sustainable carrier aviation capability around it is much more challenging.

Nevertheless, the Gajah Mada gives Jakarta something it has never previously possessed: a large, dedicated maritime aviation platform capable of carrying helicopters from multiple services. As such, it could prove useful across a wide spectrum of missions.

Ciontact the author: thomas@thewarzone.com

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