Bringing together numerous untried technologies the Boeing Aircraft Company launched its most significant bomber, the B-29 Superfortress. Although beset by development problems and having suffered the loss of the prototype and its Chief Test Pilot Eddie Allan, the company pushed on to create the first long-range strategic bombers. Once the Pacific Islands had been captured the B-29 Bomb Groups began bombing raids on the Japanese Home Islands. On the other side of the Himalayas further bomb groups launched attacks against targets in Japan. As combat experience grew the focus turned to destroying as much as possible of its production facilities, mainly by firebombing areas known to have these targets.