The Air Force Scientific Advisory Board is preparing to brief senior leaders on a study of the viability of technologies that could support a Penetrating Counterair capability -- work that is directly informing an ongoing analysis of alternatives. The study was one of three 2017 AFSAB studies, which also included a look at the Air Force's test and evaluation infrastructure and the challenges associated with certifying concurrent nuclear systems as the service approaches a modernization bow-wave. The board will begin...