Advancing technology allows aircraft to go faster and faster, but there is still one barrier that prevents the public from traveling faster than the speed of sound - the sonic boom.\n\nFor exclusive content, check out our show notes at lockheedmartin.com/insideskunkworks\n\nEmail us at insideskunkworks.lm@lmco.com\n\nProduced by Theresa Hoey & Claire Whitfield\nArtwork by Becca Smith