Family files first legal claim against government over deadly DCA crash - 3D analysis shows how helicopter pilots could have mixed up jets in DCA crash - Altimeter in Black Hawk helicopter may have malfunctioned before DCA mid-air collision - NPR's Adrian Ma remembers girlfriend, Kiah Duggins, who died in DCA plane collision - One week after DCA collision, a focus on supporting victims' families - Social media rumors that a trans pilot was in the DCA crash follow a familiar playbook - Virginia Democrat says 'buck stops' with Trump after DCA crash - Hegseth: Army battalion involved in DCA crash grounded for 48 hours - Flight recorders recovered in DCA crash - Watch live: NTSB gives update on DCA crash investigation