WASHINGTON, Sept. 10 -- The U.S. Department of Homeland Security Science and Technology Directorate issued the following news:

The Department of Homeland Security (DHS) Centers of Excellence (COE) have now been at the forefront of innovation for two decades. In this guest blog, Rebecca Medina, Director of the Science and Technology Directorate's (S&T) Office of University Programs, and others reflect on how our institutions of higher learning have impacted the nation.