[sub] has made its way from [location1] to [location2]. [sub] has arrived at [location2]. [sub] has returned to [location1]. The ocean has claimed [sub] and its crew. Succumbed to their injuries Bled out Drowned Suffocated Crushed by water pressure Burned to death You have succumbed to your injuries. You have bled out. You have drowned. You have suffocated. You have been crushed by water pressure. You have burned to death.