Three Pratt & Whitney Rocketdyne RS-68 Rocket Engines Boost Classified Spy Satellite

January 18, 2009

CANOGA PARK, Calif., Jan. 18 /PRNewswire/ — Pratt & Whitney Rocketdyne, a
United Technologies Corp. (NYSE: UTX) company, contributed to the nation’s
security by boosting a classified spy satellite for the U.S. National
Reconnaissance Office from Cape Canaveral Air Force Station on Jan. 17. The
satellite was onboard a United Launch Alliance Delta IV Heavy rocket, powered
by three Pratt & Whitney Rocketdyne RS-68 engines and one upper-stage RL10B-2
engine. It was the second operational mission for a Delta IV Heavy launch
vehicle. This was the 716th launch of a Delta vehicle under Pratt & Whitney
Rocketdyne’s power. The first Delta IV was launched in 2002.

“We’re proud to be part of a mission that will ensure the safety and
security of our nation,” said Craig Stoker, RS-68 program manager, Pratt &
Whitney Rocketdyne. “This was a critical payload and as always, our goal is
100 percent mission success.”

The upper-stage RL10B-2 helped place the satellite into orbit. “This
engine has over 40 years of flight performance with the highest reliability of
any cryogenic upper-stage engine in the world,” said Jeff Flenniken, RL10B-2
program manager, Pratt & Whitney Rocketdyne. “It’s an honor knowing that
reliability is the preferred choice in our nation’s security.”

The U.S. National Reconnaissance Office is responsible for operating
overhead reconnaissance missions for the Department of Defense and the
intelligence community.

Pratt & Whitney Rocketdyne, Inc., a part of Pratt & Whitney, is a
preferred provider of high-value propulsion, power, energy and innovative
system solutions used in a wide variety of government and commercial
applications, including the main engines for the space shuttle, Atlas and
Delta launch vehicles, missile defense systems and advanced hypersonic

Pratt & Whitney is a world leader in the design, manufacture and service
of aircraft engines, space propulsion systems and industrial gas turbines.
United Technologies, based in Hartford, Conn., is a diversified company
providing high technology products and services to the global aerospace and
building industries.

    Bryan Kidder                   Carri Karuhn
    Pratt & Whitney Rocketdyne     Pratt & Whitney Rocketdyne
    818 586-2213                   818 586-4963
    bryan.kidder@pwr.utc.com       carri.karuhn@pwr.utc.com

SOURCE Pratt & Whitney Rocketdyne, Inc.

Source: newswire

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