The United States has yet to find a solution that assures seamless communications among first responders and emergency personnel at the scene of a major disaster. Since September 11, 2001, when communications failures contributed to the tragedies of the day, Congress has passed several laws intended...
ترست بايلوت
منذ أسبوعين
منذ شهر
منذ 3 أيام
منذ أسبوع