sentinel

RQ-170 Sentinel Stealth Drone Supported Maduro Capture Mission

At least one, and possibly two, of the U.S. Air Force’s secretive RQ-170 Sentinel stealth drones appear to have taken part in last night’s operation to capture Venezuelan dictator Nicolas Maduro and his wife. Spotting an RQ-170 in the context of a real-world mission is very rare, but it would not be unexpected in this case. The RQ-170 was designed by Lockheed’s Skunk Works exactly for this application, to provide persistent surveillance of high-value targets deep inside contested environments, including in support of special operations missions just like the one overnight in Venezuela.

Readers can get caught up on what is known about the U.S. mission overnight in Venezuela, nicknamed Operation Absolute Resolve, with our ongoing coverage here.

A local spotter in Puerto Rico captured video said to show the RQ-170 returning to the former Naval Station Roosevelt Roads earlier this morning, as seen in the social media post below. The same spotter also filmed clips of other aircraft arriving at the base today, and has been otherwise visually monitoring air traffic there for some time now. This facility, also known as Jose Aponte de la Torre Airport, has been a major hub for expanded U.S. military operations in and around the Caribbean since September 2025. This is just one focal point in a much larger buildup of American air, naval, and ground assets in the region over the last five months.

U.S. RQ-170 stealth drone returning to Puerto Rico this morning.

This is a quiete rare footage of the drone, spotted after supporting US strikes on Venezuela last night.

[📹 Nando Curbelo Rodriguez]pic.twitter.com/dYVHcfGvbQ

— Massimo (@Rainmaker1973) January 3, 2026

It’s also worth noting here that, back in December, Air Forces Southern (AFSOUTH) had posted pictures on social media highlighting a visit by Air Combat Command (ACC) head Gen. Adrian Spain to its 612th Air Operations Center at Davis-Monthan Air Force Base in Arizona. AFSOUTH is the U.S. Air Force’s top command for operations in and around much of Latin America. One of those images included an individual wearing a name patch with an RQ-170 silhouette, as well as the shoulder sleeve insignia of the 432nd Wing. The posts and pictures contained therein were subsequently taken down. The 30th and 44th Reconnaissance Squadrons, both assigned to the 432nd Wing at Creech Air Force Base in Nevada, are the only units the Air Force has acknowledged publicly as operating RQ-170s. Many had taken this as a sign that Sentinels might be flying operational missions in and around the Caribbean.

The Air Force officially acknowledged the RQ-170’s existence more than a decade and a half ago, but continues to be exceptionally tight-lipped about the Sentinel fleet, which is said to number between 20 and 30 of the drones in total. However, what is known about its operational activities to date fully aligns with the operation in Venezuela last night.

The RQ-170 is now a 20-year-old design, at least, and is not a cutting-edge, very-low-observable aircraft. At the same time, it still offers a stealthy tool for persistent intelligence, surveillance, and reconnaissance (ISR) missions that many opponents are less likely to detect even when flying deeply inside their airspace. The drones are thought to be able to carry a variety of sensors, including an active electronically-scanned array radar with synthetic aperture imaging and ground-moving target indicator capabilities, a sensor ball with electro-optical and infrared video cameras, and/or electronic/signals intelligence suites.

With that array of capabilities in hand, RQ-170s would have provided a valuable way to discreetly track Maduro’s movements and otherwise establish his ‘patterns of life,’ as well as those of the forces guarding him, for an extended period of time in the lead-up to the actual launch of the operation to capture him. During the mission itself, having one of the drones orbiting overhead would have provided an indispensable source of real-time information, including to help spot threats that might unexpectedly appear. Those same feeds would also have given senior leaders, including President Donald Trump, a way to watch the operation as it happened.

“I was able to watch it in real time, and I watched every aspect of it.” Trump had said in a phone interview with Fox News earlier today.

The Sentinel fleet was used in exactly this way before and during the raid that led to the death of Al Qaeda founder Osama Bin Laden in a compound in Abbottabad, Pakistan, in 2011. Other aspects of the planning for the Venezuela mission also reportedly mirrored the playbook used ahead of the Bin Laden operation, including the construction of a full-scale replica of Maduro’s safe house and the infiltration of a CIA advance team to gain additional insights into his daily routine.

Past use of RQ-170s over Iran to keep tabs on its nuclear program is another general example of its ability to persistently surveil key sites even in denied areas, though one of the drones was notably lost in that country in 2011. Sentinels are also likely to have conducted flights at least very near North Korean airspace while operating from South Korea. The drones have also been at least deployed elsewhere in the Pacific in the past, and may have been sent into the Black Sea region to collect intelligence on Russian forces on the heavily-defended occupied Crimean Peninsula between 2022 and 2023.

With all this in mind, RQ-170s could also have surveilled Venezuelan military bases and other sites that U.S. forces struck as part of the operation overnight, and helped with post-strike assessments. The Air Force has disclosed having at least conducted tests in the past of the Sentinel in the bomb damage assessment role in combination with B-2 bombers.

During a press conference today, Chairman of the Joint Chiefs of Staff U.S. Air Force Gen. Dan “Razin” Caine also stressed the degree to which Venezuela’s air defenses played in planning for the mission last night, which also could have played a role in the decision to employ the RQ-170. Though Venezuela’s capabilities and capacity in this regard were limited – and are likely far more so now following the U.S. strikes – they still presented risks that had to have been taken into account. This is something TWZ had already explored in detail in the past.

A firefighter walks past a destroyed anti-aircraft unit at La Carlota military air base, after U.S. President Donald Trump said the U.S. has struck Venezuela and captured its President Nicolas Maduro, in Caracas, Venezuela, January 3, 2026. REUTERS/Leonardo Fernandez Viloria pic.twitter.com/dFE3aOY4L3

— Idrees Ali (@idreesali114) January 3, 2026

“As the force began to approach Caracas, the Joint Air Component began dismantling and disabling the air defense systems in Venezuela, employing weapons to ensure the safe passage of the helicopters into the target area,” Caine explained. “The goal of our air component is, was, and always will be to protect the helicopters and the ground force and get them to the target and get them home.”

Caine’s comments here are further underscored by the use of F-22 Raptors, arguably the most survivable manned tactical jet known to be in the U.S. inventory today. A dozen Raptors also landed at the former Naval Station Roosevelt Roads this morning following sorties over or around Venezuela. It isn’t clear if the F-22s flew direct from their base in the U.S. or staged in Puerto Rico shortly before the strikes commenced. The F-22 owes its very existence, at least in part, to fears about the dangers posed by the extensive array of air defense systems in service in Syria in the immediate post-Cold War period, as you can learn more about here.

In addition to F-22s, the aerial elements of the U.S. force package employed during the operation last night included “F-35s, F[/A]-18s, EA-18s, E-2s, B-1 bombers, and other support aircraft, as well as numerous remotely piloted drones,” according to Caine. Suppression and destruction of enemy air defenses (SEAD/DEAD) would have been a key mission set for the stealth F-35s, too. F-22s and F-35s played a similar role during strikes on Iranian nuclear sites earlier this year, nicknamed Operation Midnight Hammer. It is likely that RQ-170s also played a role in that operation as well, providing direct overhead coverage of the strikes and intel for post mission bomb damage assessments.

General Dan Caine, Chairman of the Joint Chiefs of Staff:

The force included F-22s, F-35s, F-18s, EA-18s, E-2s, B-1 bombers, other support aircraft, and numerous remotely piloted drones.

As the force approached Caracas, the joint air component began dismantling and disabling… pic.twitter.com/3XWtcQDJu3

— Clash Report (@clashreport) January 3, 2026

TWZ also previously highlighted the particularly important role EA-18G Growlers could play in kinetic action against Venezuela after a squadron of those jets arrived in Puerto Rico last month. Growlers had already been in the region by that point as part of the air wing aboard the supercarrier USS Gerald R. Ford. At least one EC-130H Compass Call aircraft, which offers additional electronic warfare capabilities, was also recently deployed to Puerto Rico.

Many questions remain about how Venezuela’s air defense network responded, or didn’t, to the U.S. operation overnight. One U.S. helicopter is known to have been damaged by unspecified ground fire during the mission, but remained flyable. No other aircraft are known to have sustained damage at this time.

What we do have now is clear evidence that at least one RQ-170 took part in last night’s operation in Venezuela.

Contact the author: joe@twz.com

Joseph has been a member of The War Zone team since early 2017. Prior to that, he was an Associate Editor at War Is Boring, and his byline has appeared in other publications, including Small Arms Review, Small Arms Defense Journal, Reuters, We Are the Mighty, and Task & Purpose.




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Army’s New Sentinel A4 Radar’s First Full Deployment Will Be Defending Nation’s Capital

The first full deployment of the U.S. Army’s new Sentinel A4 air defense radar will be in the area around Washington, D.C., also known as the National Capital Region (NCR). The A4 variant offers a significant boost in capability over preceding versions, especially for spotting and tracking lower and/or slower flying targets like cruise missiles and drones.

An Army officer discussed the capabilities of and plans for the road-mobile Sentinel A4, the formal designation of which is AN/MPQ-64A4, with Secretary Pete Hegseth during a show-and-tell at Redstone Arsenal in Huntsville, Alabama, this past weekend. Members of the media were also present. Hegseth conducted several engagements in the Huntsville area during his trip, which was primarily centered on a ceremony marking the designation of the arsenal as the new headquarters for U.S. Space Command (SPACECOM).

A trailer-mounted Sentinel A4 radar, at left, seen behind a 6×6 Family of Medium Tactical Vehicles (FMTV) truck with a generator serving as its prime mover. US Army

“The plan is to be in full-rate production [of the Sentinel A4] at the end of FY 26 [Fiscal Year 2026], sir, and our first fielding will be actually in the National Capital Region,” the Army officer told Hegseth, as can be heard in the video below. “In January, we’re sending a Sentinel A4 to the National Capital Region to start that immigration process earlier, so that when it is fielded late next year, we’re ready to go.”

War Sec. Pete Hegseth Visits The New Site For U.S. Space Command Headquarters In Huntsville, Alabama




The officer noted that the Army already has a Sentinel A4 radar in South Korea, representing an early operational capability. The deployment to the Korean Peninsula has already been providing valuable feedback for the planned full fielding of the sensor in the NCR next year. You can read more about what is known about the air defense network already in place in the NCR, which includes National Advanced Surface-to-Air Missile Systems (NASAMS) and Avenger air defense systems, as well as a wide array of sensors, in previous TWZ reporting. Existing variants of Sentinel are already regularly used in combination with NASAMS and Avenger.

In terms of the Sentinel A4’s capabilities, “what this radar does is provide 360-degree air surveillance, day or night, [in] adverse weather conditions and the most harsh environments, … [to] identify, track and classify cruise missiles, rotary-wing [aircraft], fixed-wing [aircraft], [and] UAS [uncrewed aerial systems],” the officer explained to Hegseth. It also has the ability to spot and track incoming artillery rockets, shells, and mortar rounds.

Sentinel A4: Bringing Next-Gen Radar Capability to the U.S. Army and Allies




The officer said that many of its more specific capabilities are classified. They did say that it offers a 75 percent increase in detection range over the previous AN/MPQ-64A3, and the ability to track many more targets simultaneously. Much of this is a product of the new active electronically scanned array (AESA) found on the Sentinel A4. As a general rule, AESA radars offer improvements in terms of range, fidelity of tracks, resistance to countermeasures, and overall situational awareness compared to mechanically-scanned types. Depending on how the array itself is configured, AESAs can also perform a much wider array of functions at once.

Army personnel seen working on an older version of the MPQ-64 Sentinel radar. US Army

The Sentinel A4 “does have growth potential,” the Army officer highlighted to Secretary Hegseth during the event. “The current array that you see here is 60 percent populated, but we do have the ability to increase how much is in the array, which allows us to meet future threats.”

That the Sentinel A4’s true operational debut is set to be in the NCR is unsurprising, given the extreme importance of defending the skies over and around Washington, D.C. This is already by far the most heavily monitored and densely defended airspace in the United States.

At the same time, the U.S. military, as a whole, has made no secret of its growing concerns about drone and cruise missile threats, which are very much reflected in the new capabilities found on the new A4 variant of Sentinel.

Another look at the Sentinel A4. Lockheed Martin

There has been a particular surge in reported drone incursions over key military facilities and critical non-military infrastructure in the United States in recent years, a trend that is also being observed globally. TWZ has been the first to report on many such incidents. There are questions about the validity of a significant number of these reports, especially given the overlap with claimed sightings of so-called unidentified Aerial Phenomena (UAPs; previously referred to more commonly as unidentified flying objects). Still, the threats posed by drones, including small weaponized commercial types, are very real, and are only set to continue to expand in scale and scope, as TWZ has been calling attention to for years.

Cruise missile threats have also long been top of mind for the U.S. military, including in the context of preparing for potential attacks on the U.S. homeland. The increasing fielding of more capable cruise missiles, such as ones with stealthy features and/or hypersonic speeds, among near-peer competitors like China and Russia, as well as smaller adversaries, has further fueled those concerns.

It’s also worth noting that the NCR has seen a number of false alarm air defense scares over the years. Increased detection capability and general improved situational awareness could help with preventing, though not eliminating, such incidents in the future.

All this being said, the aerial threat ecosystem extends beyond the NCR, and the new capabilities offered by the Sentinel A4 radar will be relevant to Army operations globally. The service has plans to significantly expand its overall air defense force structure in the coming years.

It is possible that plans to send the Sentinel A4s to the NCR, specifically, also presage the deployment of other new air defense capabilities to the area. Sentinel radars are a primary sensor for the Army’s new middle-tier Enduring Shield air defense system, which currently uses the AIM-9X Sidewinder as its interceptor. The service is pushing to acquire a second interceptor option for Enduring Shield, primarily to offer increased capability against faster-flying cruise missiles. Overall, the system is analogous to NASAMS in many ways and would be well-suited to the NCR air defense mission.

One of the palletized launchers at the core of the Enduring Shield system. Leidos

The Army currently has two Enduring Shield platoons, one in South Korea and one at Joint Base Lewis-McChord in Washington State. The service is hoping to have a battalion’s worth of the systems by Fiscal Year 2027.

In general, the Army sees Enduring Shield as particularly important to reducing the immense strain on its highly in-demand Patriot surface-to-air missile systems. The service has said that Enduring Shield and Patriot could even be fielded together in composite units in the future. TWZ has been calling attention to the worrisome inadequacy of the Army’s Patriot force to meet current operational needs, let alone the requirements of any future high-end figure, for years now.

If nothing else, Army air defenders protecting the skies over and around Washington, D.C., are set to get an important boost in their ability to spot and track threats, especially cruise missiles and drones, in the coming year.

Contact the author: joe@twz.com

Joseph has been a member of The War Zone team since early 2017. Prior to that, he was an Associate Editor at War Is Boring, and his byline has appeared in other publications, including Small Arms Review, Small Arms Defense Journal, Reuters, We Are the Mighty, and Task & Purpose.


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