U.S. military planes searched Wednesday for four missing navy aviators whose plane crashed on an uninhabited island near Iwo Jima, according to military officials.

The S-3 Viking from the aircraft carrier USS John C. Stennis crashed on Kita Iwo Jima island in the Pacific Ocean on Tuesday evening during a training exercise, the U.S. 7th Fleet said in a statement.

Aircraft from the John C. Stennis and the carrier USS Kitty Hawk were searching the island for the four, whose identities were not being released pending a waiting period following notification of kin.

The aviators were part of the Blue Wolves squadron based at Naval Air Station North Island in Coronado, California.