RQ-170 Sentinel
A low-observable reconnaissance aircraft publicly acknowledged by the US Air Force, with very limited official technical disclosure.
- Country / region
- United States
- Programme status
- In service / use documented
- Sources reviewed
- 20 Sept 2026
- 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 & capabilities
- Reconnaissance aircraft
Specifications in context
- Airframe
- Low-observable uncrewed reconnaissance aircraft
Published specification for the named configuration. Maxima are not necessarily achievable together.
Source ↗ - Launch / recovery
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Propulsion
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Dimensions
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Mass
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Endurance
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Range
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Speed
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Altitude
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Payload
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Sensors
- Reconnaissance / surveillance mission; detailed fit undisclosed
Published specification for the named configuration. Maxima are not necessarily achievable together.
Source ↗ - Communications / navigation
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗