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Air · Drone / system

RQ-170 Sentinel

A low-observable reconnaissance aircraft publicly acknowledged by the US Air Force, with very limited official technical disclosure.

Role & capabilities

  • Reconnaissance aircraft
In service / use documentedIn service / use documented
Primary domain
Air
System type
Reconnaissance aircraft
Developer / manufacturer
Lockheed Martin Advanced Development Programs
Origin / production countries
United States
Other names
Sentinel
Variants / configurations
See the named configuration and evidence notes
Operators / programme customers
US Air Force

Evidence & current status

The sources below establish the stated programme milestone or supplier claim. They do not independently verify every configuration, delivery total or advertised performance figure.

Role and programme

The Air Force fact sheet identifies the programme’s reconnaissance and surveillance role, its Lockheed Martin development lineage and Air Combat Command operation. That provides firmer identity evidence than estimates inferred from photographs.

The official record does not publish a numerical airframe specification, sensor inventory or current fleet total. Those fields are left unknown rather than filled with speculative engine types or dimensions. This is a case where a useful reference entry can document identity and purpose without pretending that classified performance is publicly established. RQ-180 reporting concerns a separate purported programme and is not an alias.

Sourced specifications

Figures apply to the named configuration. Maximum values are not guaranteed operating performance.

SpecificationReported valueContext & source
AirframeLow-observable uncrewed reconnaissance aircraftPublished specification for the named configuration. Maxima are not necessarily achievable together. Source ↗
Launch / recoveryNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
PropulsionNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
DimensionsNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
MassNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
EnduranceNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
RangeNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
SpeedNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
AltitudeNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
PayloadNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
SensorsReconnaissance / surveillance mission; detailed fit undisclosedPublished specification for the named configuration. Maxima are not necessarily achievable together. Source ↗
Communications / navigationNot established from the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗

Publication history

  • — Added a sourced global catalogue profile with configuration-specific data and explicit evidence limits.

Suggest a correction to this entry →

Follow the evidence

Source types identify who makes the claim. Programme milestones and supplier statements should be read in context.

  1. US Air Force RQ-170 Sentinel fact sheet (opens in a new tab)Government / operator

Explore the connections

Manufacturer indexUnited States

Lockheed Martin

Aircraft and programme links: RQ-170 Sentinel.

Reviewed 20 Sept 2026Read
Air · Coverage auditNorth America

North America defence drone coverage audit

3 original research topics reviewed: 0 resolved, 3 partially resolved and 0 still open. The remaining register identifies specific evidence needs.

Reviewed 21 Sept 2026Read