Missing Titanic sub has about 40 hours of air left, Coast Guard says The Citizen 3 years ago A sub went missing​ while carrying five people to the wreckage of the Titanic​. Source: CBS Minnesota Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Titanic expedition leader discusses missing sub searchDateJune 21, 2023In relation toFifty LakesThe water pressure challenges facing missing Titanic subDateJune 22, 2023In relation toFifty LakesCoast Guard "doing everything that we can do" to find missing sub near Titanic wreckageDateJune 19, 2023In relation toFifty Lakes
