http://www.eyewitnesstohistory.com/pearl.htm The bombing of Pearl Harbor was a complete suprise.There were planes that attacked the harbor that morning in two different waves. The reason was because The U.S. placed an embargo on Japan by prohibiting exports of steel, scrap iron, and aviation fuel to Japan, because Japan took over northern French Indochina.
Erich Alfred Hartmann nicknamed "Bubi" and "The Black Devil" (by his Soviet adversaries) was a German fighter pilot during World War II and is the highest-scoring fighter ace in the history of aerial warfare.
At 7:55am, Sunday, Dec 7, 1941, Pearl Harbor is attacked by carrier based Japanese planes, killing 2300. The following day in his war speech to Congress, President Franklin Roosevelt called it "a day which will live in infamy."