Then Captain Claire Chennault’s 1933 Ft. Knox air Defense Observer Network. IKt was so successful in catching bombardment formations that Chennault was black balled by the “Bomber Mafia” of two Air Chiefs of Staff. This network was the basis of a human intelligence network Chennault formed in china despite express orders by China-Burma-India theater commander General Stilwell. — Source: Coast Artillery Journal, Mar-Apr 1934, pg 39