Two crew members of the Navy are missing following the crash of their fighter jet on Tuesday, which occurred east of Mount Rainier in Washington state.

A U.S. Navy EA-18G Growler was conducting a standard training flight when it crashed, according to a statement released to YSL News. This aircraft is a variation of the F/A-18 Super Hornet and belongs to Electronic Attack Squadron 130, also known as the “Zappers.”

A search and rescue operation, featuring a U.S. Navy MH-60S helicopter, took off from Whidbey Island, located north of Seattle, to “find the crew and assess the crash site,” as indicated by the Navy’s statement.

Unknown Status of Crew Following Growler Crash

The crash occurred around 3:20 p.m. Pacific Time, according to the Navy.

Rescue teams were promptly sent from Whidbey Island, home to nearly all Navy tactical electronic attack squadrons flying the EA-18G Growler, except for one.

“As of 7 p.m. on Oct. 15, we remain unaware of the status of the two crew members,” the Navy remarked in its statement.

The search efforts were still ongoing as of 11:30 p.m. Tuesday, as reported by the Seattle Times.

The cause of the crash is still being investigated, and the identities of the crew members have not been disclosed.

Naval Aircraft Belongs to the ‘Zappers’ Squadron

This aircraft is part of Electronic Attack Squadron 130, or VAQ-130, stationed at Whidbey Island. Established in 1959, the squadron is the Navy’s oldest in electronic warfare and has been affectionately called the “Zappers” since its inception.

In July, the squadron completed a nine-month combat deployment aboard the USS Dwight D. Eisenhower in the Southern Red Sea, where it engaged in strikes against areas controlled by Houthi forces in Yemen, as stated by the Navy.

The initial test aircraft for the Growler commenced production in 2004 and took its first flight in 2006, according to Navy records. Manufactured by Boeing, each unit costs approximately $67 million.

This article has been updated with the latest information.