Virtual Discussion Robert G. Salesses, performing the duties of assistant secretary of defense for homeland defense and global security, discusses the Defense Department's many roles during the pandemic at a virtual meeting of the National Defense Transportation Association’s GovTravels, its new symposium for government travel and passenger service. SHARE IMAGE: Download Image: Full Size (0.02 MB) Photo By: Lisa Ferdinando, DOD VIRIN: 210223-D-BN624-0004.JPG Photo Gallery