RQ-170 Sentinel

RQ-170 Sentinel is a U.S. high-altitude UAV by Lockheed Martin for ISTAR and electronic warfare missions, in service since the mid-2000s. Read more about RQ-170 Sentinel, Features, Latest News

RQ-170 Sentinel

RQ-170 Sentinel Latest News

A rare U.S. Air Force RQ-170 “Sentinel” stealth surveillance drone was recently spotted returning to Roosevelt Roads Naval Station in eastern Puerto Rico, following U.S. military strikes conducted overnight against targets in Venezuela.

About RQ-170 Sentinel

  • It is an American high-altitude long-endurance unmanned aerial vehicle (UAV).
  • It was designed and manufactured by Skunk Works, a division of Lockheed Martin (an American defense and aerospace manufacturer), for the United States Air Force (USAF).
  • It is designed to execute intelligence, surveillance, target acquisition, and reconnaissance (ISTAR) and electronic warfare missions over a target area. 
  • The aircraft entered service in the mid-2000s and has previously been associated with U.S. operations in the Middle East and Asia.

RQ-170 Sentinel Features

  • It has a wingspan of 20 m and a length of 4.5 m.
  • It features a flying-wing design optimized for reduced radar visibility and long-endurance flights. 
  • It features a blended fuselage, pointed nose, and tricycle-type landing gear.
  • An electro-optic camera was incorporated beneath the front fuselage section to seize real-time imagery or videos of the battlefield it is surveying.
  • It can capture real-time imagery of the battlefield and transfer the data to the ground control station (GCS) through a line of sight (LOS) communication data link.
  • It is fitted with an active electronically scanned array radar, synthetic aperture radar, and signal intelligence in its belly fairings.
  • About 90% of the aircraft is made up of composite materials to decrease its overall weight.

Source: DB

Latest UPSC Exam 2026 Updates

Last updated on January, 2026

→ Check out the latest UPSC Syllabus 2026 here.

→ Join Vajiram & Ravi’s Interview Guidance Programme for expert help to crack your final UPSC stage.

UPSC Mains Result 2025 is now out.

UPSC Notification 2026 Postponed for CSE & IFS which was scheduled to be released on 14 January 2026.

UPSC Calendar 2026 has been released.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

→ Prepare effectively with Vajiram & Ravi’s UPSC Prelims Test Series 2026 featuring full-length mock tests, detailed solutions, and performance analysis.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2026 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s Best UPSC Mentorship Program for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

→ Also check Best UPSC Coaching in India

RQ-170 Sentinel FAQs

Q1. What is the RQ-170 Sentinel?+

Q2. What missions is the RQ-170 Sentinel designed to perform?+

Q3. When did the RQ-170 Sentinel enter service?+

Q4. What is the primary purpose of RQ-170 Sentinel's flying-wing design?+

Tags: prelims pointers rq-170 sentinel upsc current affairs upsc prelims current affairs

Vajiram Prelims Team
Vajiram Prelims Team
At Vajiram & Ravi, our team includes subject experts who have appeared for the UPSC Mains and the Interview stage. With their deep understanding of the exam, they create content that is clear, to the point, reliable, and helpful for aspirants.Their aim is to make even difficult topics easy to understand and directly useful for your UPSC preparation—whether it’s for Current Affairs, General Studies, or Optional subjects. Every note, article, or test is designed to save your time and boost your performance.
UPSC GS Course 2026
UPSC GS Course 2026
₹1,75,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹19000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹8500
Enroll Now
Enquire Now