Avion Issue 2 Spring 2015

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| Issue 2 | Volume 143 | Tuesday, January 27, 2015 | theavion.com |

Jack Taylor/The Avion Newspaper The Mobile User Objective System 3 satellite (MUOS-3) sits aboard a United Launch Alliance Atlas V in 551 configuration. The vehicle sits atop Space Launch Complex 41 at Cape Canaveral Air Force Station just after sunset on the night prior to launch.

MUOS Increases Military Com 10 Fold Trey Henderson Editor-in-Chief Communications power the modern day warrior. Robust communications links and instantaneous data transfer are essential to command of the battlefield in modern day combat. The Mobile User Objective System (or MUOS for short) is the Navy’s answer to that demand for powerful channels of communication. The MUOS program consists of a constellation of four operational satellites as well as an on-orbit spare in the event of failure. In addition to the five orbiting satellites, elaborate ground infrastructure of control and network management is ultilized to handle the unique Wideband Code Division Multiple Access (WCDMA) waveform implemented in the new system.

MUOS, once completed, is slated to increase the communications throughput capabilities of the military by ten fold. The more robust system will provide higher data transfer rates and greater quality of service compared to the earlier system in place. Currently, UHF Follow-On (UFO), which first launched in March of 1993 provides much of the Department of Defense with its communications abilities. The Jan. 20 launch of the third MUOS payload marks the next step in completing the new constellation and preparing for the future of DoD communications. MUOS-3 was launched aboard a United Launch Alliance Atlas V in 551 configuration. The 551 configuration of the Atlas V is the most powerful version of ULA’s Atlas family of vehicles, being powered by five strap-on solid rocket boosters, each of

which providing nearly 400,000 pounds of thrust in addition to the RD-180’s 860,000 pounds of thrust. Having a total of 2.75 million pounds of thrust, a massive 650,000 pounds more thrust than the Delta IV Heavy which carried Orion to orbit in December, the 51 configuration was necessary for placing the nearly 7.5 ton payload into geosynchronous orbit at over 22,236 miles above the surface of the earth. MUOS-3 marks United Launch Alliance’s first launch of 2015 and the 52nd launch of the Atlas V vehicle, the fifth of which in the 551 configuration. The next installation to MUOS, MUOS4 is planned to launch aboard another Atlas V 551 later in 2015. The final satellite in the MUOS constellation will also launch aboard an Atlas V vehicle, but the date and time is yet to be determined.

Ever wondered how The Avion gets its launch photos? Check out Page B3>>

Dixon Takes Checkered Flag For Gnassi Racing in Rolex 24 Andy Lichtenstein News Editor Daytona Beach International Speedway hosted the annual “24 Hours of Daytona,” Jan. 24 through Jan 25. The race, sponsored by Rolex, is commonly referred to as the “Rolex 24.” This twice-around-the-clock event is a multi-class endurance race, run on a 3.56

mile course. The track layout includes portions of the NASCAR tri-oval and the in-field road course. There were four classes competing simultaneously in this year’s event. Because the race is fixed at 24 hours, the objective is to complete as many laps as possible within the 24-hour period. The four classes include Prototype (Pro), Prototype

Challenge (PC), GT Le Mans (GTLM), and GT Daytona (GTD). Each one is designed to support engineering technologies that can be relayed to the automotive and transportation industries. Rolex has been a primary supporter of the event since 1992. The race was previously sponsored by Sunbank and Pepsi in the 1970s and 1980s.

Unlike many events at the Speedway, this yearly event is organized by the International Motor Sport Association (IMSA), rather than NASCAR. Target racer Scott Dixon earned his second career win at the Rolex 24, bringing his No. 02 Riley-Ford Ecoboost Daytona Prototype into victory lane, merely 1.33 seconds ahead

of Frenchman Sebastien Bourdais, who took second place in his Corvette Daytona Prototype. Fellow IndyCar driver Tony Kanaan, and NASCAR drivers Kyle Larson and Jamie McMurray were victorious in their respective classes, as well. McMurray became the third driver to win both the Daytona 500 and the Rolex 24. This was

the sixth victory in nine years for Chip Ganassi Racing. Reigning champion, Action Express Racing, finished second. All four drivers were rewarded with Rolex watches. “I’ve always bought them,” said Kanaan. “Now I get one for free!” For photos of the Rolex, check out The Avion’s website at theavion.com.


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