After the war, in 1947, Langley Field became the headquarters of the defense industry and began to study what? Group of answer choices 1:Study the causes of Sonic Booms 2: How to design planes that could fly faster than the speed of sound 3: Conduct research on atomic and neutron bombs 4: Study the speed of light and its effect on airplanes

After the war, in 1947, Langley Field became the headquarters of the defense industry and began to study what? Group of answer choices 1:Study the causes of Sonic Booms 2: How to design planes that could fly faster than the speed of sound 3: Conduct research on atomic and neutron bombs 4: Study the speed of light and its effect on airplanes