Columbia subject headings:
Aircraft accidents--Spain--Palomares.
Hydrogen bomb.
Palomares (Spain)--History, Military--20th century.
Harvard subject headings:
Aircraft accidents--Spain--Palomares.
Hydrogen bomb
Palomares (Spain)--History, Military--20th century.
Princeton subject headings:
Aircraft accidents--Spain--Palomares--History--20th century.
Airplanes, Military--Accidents--United States--History--20th century.
Hydrogen bomb--United States--History--20th century.
Nuclear accidents--Spain--Palomares--History--20th century.
Search and rescue operations--United States--History--20th century.