Airman 1st Class Nicole Reynolds sets up an Auto-Level measurement tool in Hunley Park family housing here for training on performing site surveys Nov. 4. The Auto-Level is used to gather and transfer elevation levels to ensure a foundation is level during site surveys or building construction. Airman Reynolds is an engineering assistant with the 437th Civil Engineer Squadron Site Development Shop. (U.S. Air Force photo/Senior Airman Katie Gieratz)

Airman 1st Class Nicole Reynolds adjusts a Philadelphia Rod in Hunley Park family housing here for training on performing site surveys Nov. 4. The Philadelphia Rod is used to provide a line of sight in conjunction with the Auto-Level at a set location to determine the elevation levels for future building sites. Airman Reynolds is an engineering assistant with the 437th Civil Engineer Squadron Site Development Shop. (U.S. Air Force photo/Senior Airman Katie Gieratz)

Airman 1st Class Nicole Reynolds adjusts a Philadelphia Rod in Hunley Park family housing here for training on performing site surveys Nov. 4. The Philadelphia Rod is used to provide a line of sight in conjunction with the Auto-Level at a set location to determine the elevation levels for future building sites. Airman Reynolds is an engineering assistant with the 437th Civil Engineer Squadron Site Development Shop. (U.S. Air Force photo/Senior Airman Katie Gieratz)

Airman 1st Class Nicole Reynolds sets up a tripod for an Auto-Level measurement tool in Hunley Park family housing here during training on performing site surveys Nov. 4. The site development shop performs surveys on fire hydrants and drainage systems for accurate base information on their location. Airman Reynolds is an engineering assistant with the 437th Civil Engineer Squadron Site Development Shop. (U.S. Air Force photo/Senior Airman Katie Gieratz)

Airman 1st Class Nicole Reynolds takes a break during a site survey here Nov. 4. Depending on the type of survey, Airmen performing site surveys may work anywhere from a few hours, to several days on a project. Airman Reynolds is an engineering assistant with the 437th Civil Engineer Squadron Site Development Shop. (U.S. Air Force photo/Senior Airman Katie Gieratz)

Airman 1st Class Nicole Reynolds prints a map for a customer in the 437th Civil Engineer Squadron Site Development Shop here Nov. 4. The maps are used by customers for referencing different base locations and by contractors performing various construction projects around the base. Airman Reynolds is an engineering assistant with the 437 CES Site Development Shop. (U.S. Air Force photo/Senior Airman Katie Gieratz)

Airman 1st Class Nicole Reynolds looks through the site development vault for a specific engineering drawing here Nov. 4. The drawings can be scanned or copied at a customer's request to reference any building's features, such as square footage, location, facility number and the year the building was built. Airman Reynolds is an engineering assistant with the 437th Civil Engineer Squadron Site Development Shop. (U.S. Air Force photo/Senior Airman Katie Gieratz)

Airmen 1st Class Nicole Reynolds and Michael Payne disassemble equipment used during a site survey here Nov. 4. Surveys can be used to define a specific location's existence in physical space through the use of satellites which determine the placement of water lines for construction or safety purposes. Airmen Reynolds and Payne are engineering assistants with the 437th Civil Engineer Squadron Site Development Shop. (U.S. Air Force photo/Senior Airman Katie Gieratz)