Minotaur I
SuccessNROL-66 (RPP) (USA-225) · Orbital Sciences Corporation
Launch time (NET)
Sunday, Feb 6, 2011, 12:26 UTC
Launch window
Sunday, Feb 6, 2011, 12:26 UTC – Sunday, Feb 6, 2011, 12:26 UTC
Provider
Orbital Sciences Corporation
Rocket
Launch pad
Space Launch Complex 8, Vandenberg SFB, CA, USA · Open map
Status
Success
The launch vehicle successfully inserted its payload(s) into the target orbit(s).

Mission
NROL-66 (RPP) (USA-225)
Type
Government/Top Secret
Orbit
Low Earth Orbit (LEO)
USA-225, also known as the Rapid Pathfinder Prototype (RPP) and NRO Launch 66 (NROL-66), is an American satellite which was launched in 2011. The satellite is being used to perform technology demonstration and development experiments, including advanced dosimeters to characterize the space environment from a 1,200 kilometer low Earth orbit. It is operated by the United States National Reconnaissance Office.
Go to payload page →🎬 Recent videos
No recent videos found — this row stays empty until something new appears.
🚀 About the rocket: Minotaur I

Minotaur Solo With Rocket Choppas!!! Breakdown Explanation!!!
enTboyrocks Gaming Corner· Aug 11, 2025

Minotaur II Rocket Launch Failure
enKSBY News· Jul 7, 2022

The Minotaur Rockets - A Football Ian Short Film
enIan The Space Nerd· Mar 9, 2021

NROL-129: Minotaur Rocket Spotlight
enNational Reconnaissance Office· Jul 15, 2020

Minotaur (rocket) | Wikipedia audio article
enwikipedia tts· May 29, 2019

Minotaur I | Wikipedia audio article
enwikipedia tts· May 6, 2019

[ORS 3] FULL LAUNCH Minotaur 1 With ORS 3 And 29 Cubesats (t 5 Min To End) - The Best Documentary Ev
enGleason PhD· Dec 6, 2017

[ORS 3] NASA TV Launch Coverage (Complete) Minotaur 1 With ORS 3 And 29 Cubesats - The Best Document
enGleason PhD· Dec 6, 2017

Vandenberg AFB Launches a Minotaur-C Rocket
enVandenberg Space Force Base· Nov 1, 2017

Air Force Minotaur 1 Launch
enCharles Bingley· Jun 30, 2011