Alan R. Dragoo is a licensed surveyor in Maryland and was employed for 27 years by the Washington Suburban Sanitary Commission (WSSC) in Laurel, MD, where he was a geodetic project manager in charge of high precision horizontal and vertical geodetic surveying projects using GPS and classical methods in support of the WSSC Control Network. Alan also worked at Trimble Navigation for eight years as a technical support representative. He also worked for Keystone Precision Instruments for eight years as sales manager for land survey products. He currently serves as assistant survey department manager at Maser Consulting in Sterling, VA.