TSX-5 is a $85 million satellite

Satellite

In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....

 successfully launched into orbit on June 7, 2000 from Vandenberg Air Force Base

Vandenberg Air Force Base

Vandenberg Air Force Base is a United States Air Force Base, located approximately northwest of Lompoc, California. It is under the jurisdiction of the 30th Space Wing, Air Force Space Command ....

 on a Pegasus XL rocket

Rocket

A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engine. In all rockets, the exhaust is formed entirely from propellants carried within the rocket before use. Rocket engines work by action and reaction...

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TSX-5 hosts two Department of Defense

United States Department of Defense

The United States Department of Defense is the U.S...

 (DOD) payloads, STRV-2 (the Space Test Research Vehicle-2), sponsored by the Ballistic Missile Defense Organization

Ballistic Missile Defense Organization

The Ballistic Missile Defense Organization was an agency of the United States Department of Defense that began on 20 May 1974 with the responsibility for all U.S. ballistic missile defense efforts. It evolved from the SAFEGUARD System Organization. The original mission of BMDO was comparable to...

, and CEASE (the Compact Environmental Anomaly Sensor), sponsored by the Air Force

United States Air Force

The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...

's Phillips Geophysics Laboratory. TSX-5 is managed by the Space Technology Program (STP) at the Space and Missiles Centre, Test and Evaluation (SMC/TELS) at Kirtland Air Force Base

Kirtland Air Force Base

Kirtland Air Force Base is a United States Air Force base located in the southeast quadrant of the Albuquerque, New Mexico urban area, adjacent to the Albuquerque International Sunport. The base was named for the early Army aviator Col. Roy C. Kirtland...

, New Mexico

New Mexico

New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

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Sources

http://www.aero.org/publications/crosslink/summer2001/04.html

http://www.spaceandtech.com/digest/flash-articles/flash2000-030.shtml

http://www.spaceandtech.com/spacedata/logs/2000/2000-030a_tsx-5_sumpub.shtml

http://spaceflightnow.com/pegasus/tsx5/000606tsx5.html