The search for the missing ASA San Juan with 44 crew members on board entered its sixth day Tuesday. If it hasn't surfaced, the submarine has seven days of oxygen.
Keir Simmons and Mariana Atencio and Phil Helsel, NBC News: World
Tue, 11/21/2017 - 3:49pm
The search for the missing ASA San Juan with 44 crew members on board entered its sixth day Tuesday. If it hasn't surfaced, the submarine has seven days of oxygen.