DCA 6 months after DCA tragedy US ROTOR Act proposes mandatory ADS-B tracking to close military safety loophole News 6 months after DCA tragedy US ROTOR Act proposes mandatory ADS-B tracking to close military safety loophole ADS-B out July 30, 2025 FAA adopts NTSB DCA recommendations in wake of fatal crash News FAA adopts NTSB DCA recommendations in wake of fatal crash DCA March 18, 2025