On January 27, 1967, the crew of the first crewed Apollo mission (Apollo 1then designated AS-204), Gus Grissom, Ed White, and Roger B. Chaffee were killed in a fire aboard their command module. Following this deadly accident, the AS-204 Accident Review Board was charged with investigating the root causes of the fire and recommending corrective measures. Borman was chosen as the only astronaut to serve on the nine-member review board. He inspected the burnt-out command module and verified the positions of the switches and circuit breakers. In April 1967, while serving on the board, Borman was one of five astronauts who testified before the United States House of Representatives and United States Senate committees investigating the Apollo1 fire (the others were Shepard, Schirra, Slayton and McDivitt). Borman faced tough and sometimes hostile questioning. Borman's testimony helped convince Congress that Apollo would be safe to fly again. He told them: "We are trying to tell you that we are confident in our management, and in our engineering and in ourselves. I think the question is really: Are you confident in us?"