The U.S. Department of Homeland Security Science and Technology holds two conferences each year in different geographic regions for its federal, state and local stakeholders.

On July 1, 1862, the Pacific Railway Act of 1862 was signed into law by President Lincoln. This act provided government support for the construction of the First Transcontinental Railroad. The task of completing the railroad was granted to an existing California railroad and a new railroad

Note: The Washington DC Metropolitan Police Department deployed RealityVision during President Obama’s Inauguration festivities. The following notes were taken contemporaneously with the event.