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Minotaur-4-Lite (OSP-2 Peacekeeper SLV)

Minotaur-4-Lite (HTV-2a) [OSC]

The most recent addition to Orbital's line of space launch vehicles, the Minotaur-4 (a.k.a. OSP-2 Peacekeeper SLV) combines elements of government-furnished decommissioned Peacekeeper missiles with technologies from our proven Pegasus, Taurus and OSP Minotaur boosters. The vehicle consists of three Peacekeeper solid rocket stages, a commercial Orion-38 or a Star-48BV fourth stage motor and subsystems derived from established space launch boosters. Under a 10-year contract with the U.S. Air Force Space and Missile Systems Center, Orbital will develop and operate the low-cost Minotaur-4 vehicle to launch U.S. government-funded satellites into low-Earth orbit.

The Minotaur-4-Lite suborbital launch vehicle incorporates a standard 92-inch fairing from the Taurus booster. The fourth stage is omitted.


→ complete list of all Minotaur-4 / -5 / -6 flights
→ complete list of all Peacekeeper / Castor-120 based rockets

Version Stage 1 Stage 2 Stage 3
Minotaur-4-Lite TU-903 (SR-118) SR-119 SR-120
Nr          Vehicle           Date        LS       Sub Suc Payload

 1    1    Minotaur-4-Lite    22.04.2010  Va SLC-8  *      HTV 2a
 4    2    Minotaur-4-Lite    11.08.2011  Va SLC-8  *      HTV 2b


      3    Minotaur-4-Lite    xx.xx.20xx  Va SLC-8  *      CSM

Launch sites:

CC  = Spaceport Florida, Cape Canaveral, Florida, USA USA/ SLC-46
Kd  = Kodiak Launch Complex, Kodiak Island, Narrow Cape, Alaska, USA USA/ LP-1
Va  = Vandenberg Air Force Base, California, USA USA/ SLC-8
WI  = Mid-Atlantic Regional Spaceport (MARS), Wallops Island, Virginia, USA USA/ LA-0B

Source: Orbital Sciences Corp. Website

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