Pratt & Whitney Rocketdyne has received the 2009 Large Business Prime Contractor Excellence Award from NASA Marshall Space Flight Center, Huntsville, Ala. Pratt & Whitney Rocketdyne is a United Technologies Corp. (NYSE:UTX) company.

The award was presented to Pratt & Whitney Rocketdyne during the recent annual Marshall Space Flight Center Industry & Advocates Award Ceremony held at the Davidson Center for Space Exploration in Huntsville. The company was recognized for exemplary support of the center’s subcontracting programs under the J-2X upper stage engine and Space Shuttle Main Engine contracts.

“We are proud that NASA has recognized Pratt & Whitney Rocketdyne’s effective use of small businesses as suppliers and contractors in the production and development of engines that are vital to human space flight,” said Joseph Sylvestro, vice president, operations and supply management, Pratt & Whitney Rocketdyne.

Pratt & Whitney Rocketdyne’s J-2X engine is in development to power the nation’s next generation space launch vehicles, the Ares I and Ares V. The Space Shuttle Main Engine is the world’s most sophisticated reusable rocket engine, providing power to space shuttles since the first shuttle launch in 1981.

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 engines.

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.