The task of the White Couriers was to smuggle people from Soviet-occupied southeastern part of the Second Polish Republic, to the Hungarian region of Carpathian Ruthenia and further to Budapest.
The Soviets immediately began campaign of a large-scale mass terror, with hundreds of thousands of people deported to Siberia.
The Couriers were mostly young men in their 20s or even teens, members of the prewar Polish Scouting Association and athletes of the Junak Drohobycz sports club.
[1] The group was subject to the Ewa department (an abbreviation of the word evacuation) of the Polish Embassy in Budapest and among others, was supported by Major Mieczyslaw Mlotek.
One of the survivors, Tadeusz Chciuk-Celt, also known as Marek Celt, wrote a book White Couriers (Biali Kurierzy), in which he described their fate.