Efforts were underway to recover the submerged vehicle of four U.S. Army soldiers from the depths of a peat bog in Lithuania as crews continued to search for the missing servicemembers on Thursday.

After six days of relentless effort in Pabradė, the armored vehicle was finally pulled from the swamp last night,” the message reads. Lithuanian military police and U.S. investigators are now combing the site for answers.

Authorities are still searching for a fourth soldier, after the armoured vehicle they were travelling in went missing while participating in a military drill.

The search for a fourth soldier is ongoing in a swampy bog near Pabradė, where they were taking part in military drills.

Three of the four American Army soldiers who went missing in Lithuania last week were found dead, the country’s president, Gitanas Nausėda, said Monday. A search-and-rescue operation will continue until the fourth soldier is found,

The soldiers were in a vehicle that became trapped in a bog during a training mission last week. A fourth soldier was still missing.

The U.S. Department of Defense released video of the search for four U.S. soldiers in Lithuania. The U.S. Army says three of the soldiers who went missing have been found dead in an armored vehicle that was pulled from a swampy area early Monday.

A U.S. armored vehicle that went missing in a swamp Lithuania has been retrieved from a swamp after a six-day search but there's no word on the four American soldiers in it, Lithuanian officials say.

Three missing U.S. soldiers in Lithuania have been found dead, officials confirm. Search efforts continue for a fourth soldier. CBS News' Vlad Duthiers reports.