Scott Featherman, BlackBox Biometrics’ business development manager, on the company’s genesis, the “blast gauge” it invented to quantify and record explosions’ overpressures to help triage IED victims more accurately during a Sept. 13, 2017, interview at the 2017 Defence and Security Equipment International conference and trade show in London. Defense & Aerospace Report’s coverage is in partnership with DSEI and Clarion events.