The USS Fitzgerald and USS McCain collisions killed 17 sailors.

The Navy said the deadly collision was "preventable."

The Navy said it lost confidence in the two officers' "ability to command."

Vice Adm. Joseph Aucoin, the head of the U.S. Pacific Fleet, has been relieved of duty because of a "loss of confidence in his ability to command" after the collisions involving the USS John S. McCain and the USS Fitzgerald and the resulting deaths, the Navy said.

The review will look at Navy incidents over the past decade.

Navy divers recovered the body of a second sailor late on Thursday.

Bodies of some of the 10 missing sailors were found during a search for them.

ABC News' Bob Woodruff went on a boat around the tanker ship, the Alnic MC, which was involved in the collision with the USS John S. McCain near Singapore.

Navy relieves commander of 7th Fleet after string of accidents.

The Navy continues its search for 10 sailors missing following the crash.

Divers were able to locate some remains in flooded ship compartments.

A Navy guided-missile destroyer, the USS John S. McCain, collided with a commercial vessel east of Singapore early Monday, 10 sailors are missing and five were injured, the Navy said.

Retired Colonel Steve Ganyard analyzes the latest ship collision that comes on the heels of the USS Fitzgerald disaster and discusses the military and foreign policy impact of accidents like this.

10 soldiers are still missing after the U.S.S. John McCain collided with an oil tanker off the coast of Shanghai.

The Navy's top commander has ordered a temporary halt in operations for all Navy ships as divers joined rescue teams to search for the 10 missing sailors after the USS McCain collided with a merchant ship in Singapore.

"When tragedy like this is one too many, and while each of these four are unique, they cannot be viewed in isolation," Admiral Scott Swift said during a press conference today.

A Navy destroyer, the USS John S. McCain, collided with a commercial vessel east of Singapore early Monday morning. Ships filled the waters, searching for the missing 10 sailors.

A Navy guided-missile destroyer collided with a commercial vessel.

A look at the crashes from ships in the Navy's Pacific fleet.

Search and rescue effort underway, Navy says.