Lockheed Martin RQ-170 Sentinel

Lore & Background

The RQ-170 Sentinel was developed by Lockheed Martin's Skunk Works as a stealth unmanned aerial vehicle. Journalists have noted design similarities to previous stealth and UAV programs such as the Lockheed Martin RQ-3 DarkStar and Polecat. An Air Force official described it as the same concept as the DarkStar, but bigger. It is a tailless flying wing aircraft with pods built into the upper surface of each wing. The design lacks several elements common to stealth engineering, such as zigzag edged landing gear doors and sharp leading edges, and the exhaust is not shielded by the wing. Aviation Week postulates that these elements suggest the designers avoided highly sensitive technologies due to the near certainty of eventual operational loss inherent with a single engine design.

The aircraft was first sighted at Kandahar Airfield in late 2007, leading to the nickname "The Beast of Kandahar." It was deployed to South Korea in September 2009, and was used during the 2026 United States intervention in Venezuela. The 30th Reconnaissance Squadron, based at Tonopah Test Range Airport in Nevada, was the first unit to operate RQ-170 Sentinels, activated on 1 September 2005. The 44th Reconnaissance Squadron was established on 1 April 2015 to operate the type. On 2 May 2011, at least one RQ-170 monitored the area during the assault that resulted in bin Laden's death, providing footage watched live by President Barack Obama and his senior national security advisors.

Reader's Guide

The RQ-170 Sentinel represents a significant step in stealth unmanned reconnaissance, bridging earlier programs like the RQ-3 DarkStar with modern operational needs. Its deployments to Afghanistan and South Korea were likely aimed at monitoring Pakistan and North Korea's ballistic missile programs, according to defense analysts. The aircraft's capture by Iran in December 2011, after Iranian forces claimed to have downed it via electronic warfare, led to the release of images and details, and Iran later claimed to have reverse-engineered the UAV. The RQ-170's use in the 2026 United States intervention in Venezuela underscores its continued relevance. Despite its secretive nature, the type has been integrated into USAF reconnaissance squadrons and participated in large force test events. Its design, while stealthy, reportedly avoids the most sensitive technologies due to the risk of operational loss, suggesting a balance between capability and security. The RQ-170 has not replaced the MQ-1 Predator or MQ-9 Reaper, as it is a separate platform. As of 2021, between 20 and 30 RQ-170s were believed to be in service.

Did You Know?

• The RQ-170 was nicknamed 'The Beast of Kandahar' after being sighted at Kandahar Airfield in late 2007.
• Iran captured an RQ-170 in December 2011 and later claimed to have reverse-engineered it.
• At least one RQ-170 provided live footage of the 2011 raid that resulted in bin Laden's death.
• The RQ-170 has a flying wing design and is powered by a single engine, speculated to be a General Electric TF34 or Garrett TFE731.