 Complete the following phrase:  The history of Electronic Warfare goes back to at least the beginning of the 20th century. The earliest documented consideration of EW was during the Russo-Japanese War of 19041905. The Japanese auxiliary cruiser, Shio Maru, had located the Russian Baltic Fleet in Tsushima Strait, and was communicating the fleets location by wireless to the Imperial Japanese Fleet HQ. The captain of the Russian warship, Orel, requested permission to disrupt the Japanese communications link by attempting to transmit a stronger radio signal over the Shio Marus signal hoping to distort the Japanese signal at the receiving end. Russian Admiral Zinovy Rozhestvensky refused the advice and denied the Orel permission to electronically jam the enemy, which in those circumstances might have proved invaluable. The intelligence the Japanese gained ultimately led to the decisive 