Sam Bushell, technical program manager at BAE Systems’ Intelligence & Security Sector, discusses the merits of a model-based systems engineering approach — being applied across the company — to better modernize existing products and more quickly develop new ones to cut acquisition and sustainment cost with Defense & Aerospace Report Editor Vago Muradian. The interview was conducted at the Navy League’s 2019 Sea Air Space conference and tradeshow near Washington where our coverage was sponsored by GE Marine, Huntington Ingalls Industries and Leonardo DRS.