新舰艇从一开始设计就考虑到潜在的出口销售，并将在现有22型和23型舰服役期满取代它们。

Designed from the outset with potential export sales in mind, the new vessels will replace existing Type 22 and Type 23 class frigates when they reach the end of their service lives.

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奥斯图公司在2005年10月获得了这艘舰艇的设计合同，并且于2006年1月铺设龙骨。

Austal USA won the contract to construct the impressive ship in October 2005 and her keel was laid down in January 2006.

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该火星级船舶是不寻常的，它被作为海军舰艇从龙骨开始设计的，很多早期后勤服务的船舶适合商业设计。

The Mars class was unusual at the time in being designed from the keel up as a Navy ship; most of the service's earlier logistics ships were adapted from commercial designs.

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