Though Mr. Brown’s office was never lawfully vacated, on January 13, 2026, President Trump nominated John DeLeeuw to fill Mr. Brown’s NTSB seat and to serve for the unexpired portion of Mr. Brown’s term. On March 16, 2026, following Senate confirmation, Mr. DeLeeuw took the oath of office and purported to assume the NTSB seat that Mr. Brown still rightfully occupies. See John DeLeeuw, NTSB, https://perma.cc/KEA2-E9AQ (last visited Apr. 12, 2026).
From the lawsuit: