[Thule Air Base Greenland]US Army Corps of Engineers/JoAnne Castagna * Thule Air Base in Greenland is the US's northernmost military installation on the planet. * Its location and the harsh conditions it faces mean Army engineers there have to use special techniques to keep everything running properly. * Visit Business Insider's homepage for more stories. Not too long ago at Thule Air Base, Greenland located in the Arctic, a change of command ceremony was taking place. Outgoing 821st Air Base Group US Air Force Commander — Col. Mafwa Kuvibidila — passed the flag to her successor Col. Timothy J. Bos. In her outgoing speech, Kuvibidila thanked everyone in the audience for supporting her during her command. This included members of the US Army Corps of Engineers, New York District. These ceremonies happen every few years, but what's been consistent at the base is the Army Corps' presence. For over half a century, the Army Corps has performed construction for the base. Presently, it's consolidating the base by 40% to save energy, tax-payer money and to sustain its readiness. Kuvibidila, who managed the base for the past year, understands the importance of consolidation. She said, "For Thule it's a matter of looking at the best way to use the infrastructure currently on base, and what is needed to support it to maximize resources." THULE, AIR BASE MISSION US Army Corps of Engineers Thule pronounced "Two Lee" is Latin for northernmost part of the inhabitable world. Thule Air Base is located in the northwestern corner of Greenland, in a coastal valley 700 miles north of the Arctic Circle and 950 miles south of the North Pole. The base is the United States' northern most military installation that has the responsibility of monitoring the skies for missiles in defense of the United States and its allies. For over half a century, the base has been home to active-duty Air Force members who live and work in this remote Arctic environment to perform National security. Throughout this time, the Army Corps under extreme weather conditions and less daylight hours, has helped the base fulfill its mission by constructing many structures including several dormitories, an aircraft runway and surrounding apron and taxiways, and a medical facility. Now the Army Corps is helping once again, by consolidating and modernizing the base's infrastructure. In the early 1950s, the base's main mission was to be an aircraft refueling stop. It was home to 10,000 personnel, US military troops, as well as a support staff comprised of Danish and Greenlandic national people. During the Cold War Era, the base's mission changed and it is now home to less personnel that are mainly performing early missile warnings and space surveillance for the United States. The base has many buildings spread out over the entire base. Many of these buildings are still in use, but have become severely weatherworn and energy and fuel is being wasted to heat them. They are also a distance from the base's central power plant that requires maintaining long pipes to transport heat to them. Many of these old buildings are being demolished and new buildings are being constructed closer together to make them easier to reach and to save energy. BASE CONSOLIDATION US Army Corps of Engineers/JoAnne Castagna The US Military has been on a mission to save energy and costs. Because of this, the U.S. Air Force tapped into the expertise of the Army Corps to consolidate the base. "This includes demolishing old facilities and constructing new ones that will be situated or consolidated more centrally near the hub of the base where the airfield, hangars, dining facility, hospital and runway are located," said Stella Marco, project manager, New York District, U.S. Army Corps of Engineers. The Army Corps is performing this work in partnership with two Army Corps agencies that have expertise in performing construction in an Arctic environment — the Cold Regions Research & Engineering Lab and the US Army Corps of Engineers Engineer Research & Development Center. Kuvibidila recalls the consolidation work that she witnessed during her command. "There were multiple projects being worked on during my time at Thule from a new dorm, to finalizing new consolidated facilities for vehicle maintenance and supplies, along with various power projects," she said. The main structures that are being constructed are dormitories for non-commissioned officers who are on temporary duty and contingency lodging for the overflow of visitors, scientists, re-fueling operation crews, contractors, maintenance operations specialists and temporary duty personnel. Recently, the Army Corps completed the construction of three, multi-story high rise dormitories for non-commissioned officers. Currently, construction is ongoing on the upgrade and renovation of two additional dormitories and 636 existing dorm rooms. Marco said that the older dorms were the "gang-latrine" types, where a person staying at Thule would be assigned an individual room that contained the amenities of a bed, television, desk and a closet, however, all showers and toilet areas were located down a hall, in one area, that would require the guest to walk down through a public hallway to use. She said the new dorms were constructed more into suites or modular units and are more conducive to privacy and to providing proper rest, relaxation and personal well-being. A module consists of two or four individual bedrooms that lead into a centralized living area along with a partially shared bathroom. Modules provide some degree of privacy for the officers. Additionally, each floor has a common kitchen and dining area for residents to gather in. Also contingency lodging is also being renovated to provide living quarters for the over-flow of visitors. This involves renovating some of the existing old fashioned, trailer-like living quarters named "flat-tops" currently occupied by Danish and Greenlandic support staff and contractors that work on the installation. In addition to new living quarters being constructed and renovated, the aircraft runway was just reconstructed and repaved in asphalt as were the surrounding aprons and taxiways. "The runway is the lifeline to Thule Air Base since the waterways are only passable by sealift from July to mid-September," said Marco. "By using lessons learned of Arctic construction, the latest knowledge of constructing in permanently frozen ground called permafrost, along with the latest construction and paving practices, has allowed the Army Corps to build the best new runway possible," said Marco. WORKING ON THE RUNWAY WAS CHALLENGING DUE TO THE EXTREME WEATHER CONDITIONS. US Army Corps of Engineers/JoAnne Castagna Paving the 10,000 foot long runway was performed in three phases — one each year — because the construction season was limited from June through mid-September. Half the runway was paved one year and the other half was paved a second year. "Since only half the runway was available each year for pilots to use, they had to be able to land and stop their aircraft on 4,000 feet of paved area. During this time, mainly C-130 Aircraft were used because of its ability to stop in such a short span," said Marco. Another challenge was to lay the asphalt during the warmest temperatures possible. Asphalt cannot be paved in cold temperature because it will not adhere properly and will fail. To read more about constructing in the Arctic, please see the sidebar "Construction Challenges in the Arctic." Other facilities constructed to consolidate the base include a consolidated base supply and civil engineering facility to house the maintenance shops, including sheet metal, painting and carpentry, and a new vehicle maintenance & equipment storage facility. These new and renovated buildings are going to be heated with an upgraded heating system. Thule's central power plant provides the base's electricity and heating. Over the last few years, the Army Corps has provided the plant new energy-efficient exhaust gas heat recovery boilers and engines. With this new equipment, the Army Corps is creating a new steam distribution system that will provide heat to most of the base. These new engines create substantial surplus heat. This excess heat is going to be turned into steam that will be piped — by new pipes — to other buildings on the base. When the steam reaches the other buildings, it will be converted into hot water to be used for heat. All of this consolidation work is needed to maintain readiness on the base. Kuvibidila said it is more important than ever before to improve base readiness. She said, "The current primary focus of the base is to support space, science, and allied operations and being able to continue that support will be critical." SEE THE REST OF THE STORY AT BUSINESS INSIDER SEE ALSO: * After nearly 50 years as the Army's workhorse, the venerable Kiowa helicopter is taking flight again for Greece * US soldiers and airmen helped clean up Venice after the historic city was hit by the worst flooding in 53 years * The US's top commander in the Indo-Pacific explains China's tactics and how the US is helping allies counter them SEE ALSO: AFTER NEARLY 50 YEARS AS THE ARMY'S WORKHORSE, THE VENERABLE KIOWA HELICOPTER IS TAKING FLIGHT AGAIN FOR GREECE
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