According to European Parliament data, the largest number of SFPs issued to date were to Spanish and Portuguese vessels (1266 and 145 respectively, between 2004 and 2010).

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The vessels, HMS Queen Elizabeth and HMS Prince of Wales, will be the largest ships ever built for the Royal Navy, nearly three times the size of the current Invincible-class carriers.

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The smaller vessels dock in the heart of major cities, and go to the most remote areas, while the largest ships offer smoother sailing through what can be rough seas between far-away destinations like Ho Chi Minh City and Singapore.

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