1586 (Polish Special Duties) Flight was first formed at RAF Derna, in Libya on 4 November 1943, equipped with Handley Page Halifax II configured as transports for special operation missions.

On 22 December 1943, the Polish flight was transferred to Campo Cassale near Brindisi, Italy, from where it flew above the occupied Europe with special duties.

Missions flown by the flight included partisan supply drops and agent insertion.

[1] A special effort was undertaken to supply Polish insurgents after an outbreak of Warsaw Uprising in August 1944.

The flight was reorganized on 7 November 1944 at RAF Brindisi Italy and reformed as the No.