The sailors were in an aircraft that crashed into the Philippine Sea on Nov. 22.
The submarine San Juan has been radio silent since Wednesday, when the vessel was last seen.
Outlets report no one has heard from the ARA San Juan or the 44 crew members aboard since Wednesday.
Sometimes the people who need the most help are the most reluctant to ask for it.
Jennifer Appel and Tasha Fuiava spent nearly five months lost at sea before the U.S. Navy rescued them last week.
North Korea isn't happy about the U.S. and South Korea conducting drills in the waters around the Korean peninsula.
The Navy said it had lost confidence in the commanding and executive officers' abilities to lead the USS John S. McCain.
Viral videos detail the use of spare change to honor the fallen at Arlington National Cemetery. It turns out, it's nothing more than an urban legend.
A U.S. Coast Guard report says El Faro's captain chose to put the ship on an almost direct course with the eye of a hurricane.
Rear Adm. Charles Williams, commander of Task Force 70, and Capt. Jeffrey Bennett, commander of Destroyer Squadron 15, were relieved of duty.
Divers discovered the remains of all 10 sailors on board the USS John S. McCain, which crashed into an oil tanker Aug. 21.
The U.S. Navy is ordering all of its ships to briefly suspend operations to review safety measures.