Visitors board the Polish mine countermeasures vessel called "Admiral Xawery Czernicki" at the navy base in Zeebrugge, Belgium, Nov. 21, 2010. The six vessels of NATO Mine Countermeasure Group 1 SNMCMG1, a well-furnished combined fleet, are at anchor here on Sunday. [Xinhua]

A navy officer introduces the British mine countermeasures vessel called "Penzance" to visitors at the navy base in Zeebrugge, Belgium, Nov. 21, 2010. The six vessels of NATO Mine Countermeasure Group 1 SNMCMG1, a well-furnished combined fleet, are at anchor here on Sunday. [Xinhua]