Formation

Todd reported a formation of Stukas approaching London to Winston Churchill. Later, Churchill received a report of Nazi bombers approaching in strike formation. (TV: Victory of the Daleks)

The Dalek flying saucer fleet utilised Formation Red Icosahedron during their 1966 invasion of Earth. They used their pulsator beams to seemingly destroy Earth itself. (COMIC: Liberation of the Daleks)

The Dalek Fleet of the New Dalek Empire entered battle formation before waging the 21st century Dalek invasion of Earth. In London, "Dalek attack formation seven" employed "maximum extermination" to destroy a household. (TV: The Stolen Earth)

The Dalek Death Squad readied attack formation protocols after pinpointing a Reconnaissance Scout Signal to Earth. When the Doctor's TARDIS was detected, extermination formations were ordered to assemble. (TV: Revolution of the Daleks)