February 8, 2012 - Capt. Sean Cassidy, ALPA’s First Vice President, emphasized “the vital importance of the Global Positioning System (GPS) as a key component of [the U.S.] transportation infrastructure” during a House Aviation Subcommittee hearing earlier today. Cassidy, who is also ALPA’s National Safety Coordinator, testified on the operational significance of GPS to airline flying at the hearing, titled “A Review of Issues Associated with Protecting and Improving Our Nation’s Aviation Satellite-Based Global Positioning System Infrastructure.”