Rescue teams in Indonesia have located debris from a missing surveillance aircraft on a mountain slope in South Sulawesi, narrowing the search area after the plane lost contact mid-flight. Authorities

A US Navy P-8 Poseidon surveillance jet was observed conducting missions off the coast of Mexico, near Tijuana. This flight occurred shortly after President Trump threatened military action against Mexico,

The plane, part of a secret U.S. fleet used in surveillance operations, also was carrying munitions in the fuselage, rather than beneath the aircraft, raising questions about the extent to which the operation was disguised in ways that run contrary to military protocol.