Some of the most significant experimental measurements on aeolian sand movement were performed by Ralph Alger Bagnold, a British engineer who worked in Egypt prior to World War II.
Though the concept of long range penetration is as old as war itself, in the modern era it is recognized as starting with Major Ralph Alger Bagnold with his 1940 Long Range Desert Group (LRDG) in the Western Desert and Orde Wingate with his Chindits in Burma in World War II.
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In October 1930 Kennedy Shaw accompanied Ralph Alger Bagnold on a trip from Cairo to Ain Dalla, into the sand sea, past Ammonite hill then past the Gilf Kebir south to Uweinat and on to Wadi Halfa, returning via the Arba’in slave road via Salima oasis, Kharga and then Aysut.