The head of the Air Force's National Security Space Launch enterprise says he's confident there are “multiple providers” that can meet the requirements to support its Launch Services Procurement strategy. Col. Robert Bongiovi, director of the Space and Missile Systems Center's launch systems enterprise directorate, told Inside Defense in an April 11 interview the program has developed alternatives to address a congressional mandate to eliminate reliance on the Russian-made RD-180 engine and ensure there are at least two launch providers...