Pratt & Whitney Rocketdyne Powers Atlas V Upper Stage, Placing X-37B Test Vehicle into Orbit

  Pratt & Whitney Rocketdyne Powers Atlas V Upper Stage, Placing X-37B Test
                              Vehicle into Orbit

PR Newswire

CANOGA PARK, Calif., Dec. 11, 2012

CANOGA PARK, Calif., Dec. 11, 2012 /PRNewswire/ -- The U.S. military's
unmanned X-37B Orbital Test Vehicle returned to orbit today on its third
mission – thanks to the proven propulsion systems provided by Pratt & Whitney
Rocketdyne and RD AMROSS. The mission was launched from Cape Canaveral Air
Force Station, Fla., by a United Launch Alliance Atlas V rocket. The Atlas V
is powered by the RD AMROSS RD-180 booster engine and a Pratt & Whitney
Rocketdyne RL10A4-2 upper-stage engine. Pratt & Whitney Rocketdyne is a
United Technologies Corp. (NYSE:UTX) company. RD AMROSS LLC is a joint
venture of Pratt & Whitney Rocketdyne and NPO Energomash.

"I am extremely proud of the tremendous efforts the RL10 team has expended for
today's launch," said Christine Cooley, RL10 program manager, Pratt & Whitney
Rocketdyne.

"Congratulations to the entire RD-180 team on today's successful launch of the
X-37B Orbital Test Vehicle," said Bill Parsons, president and CEO of RD
AMROSS. "We could not be more proud of our role in successfully launching the
spacecraft on such an important mission."

Pratt & Whitney Rocketdyne, 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 engines
for launch vehicles, missile defense systems and advanced hypersonic engines.
Behind its successful designs, manufacturing processes, and hardware are Pratt
& Whitney Rocketdyne's research and development engineers, who solve tough
problems in extreme environments. For more information, go to
www.PrattWhitneyRocketdyne.com. Follow us at www.Twitter.com/PWRocketdyne and
www.Facebook.com/PWRocketdyne.

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 commercial
building industries.

SOURCE Pratt & Whitney Rocketdyne

Website: http://www.prattwhitneyrocketdyne.com
Contact: Erin Dick, +1-818-586-4977, Erin.dick@pwr.utc.com, or Carri Karuhn,
+1-818-586-4963, carri.karuhn@pwr.utc.com, both of Pratt & Whitney Rocketdyne