 On 29 December 2010, the Navy announced that it would be placing a block-buy order of up to ten additional "Freedom"-class ships, for a total of 12 ships in the class.On 31 March 2016, the Navy exercised an option under the block-buy contract for one additional "Freedom"-class vessel; LCS-25 would be the eleventh vessel built under the block-buy contract and the thirteenth overall ("Freedom" and "Fort Worth" were built prior to the block-buy order).On 10 March 2014, the Navy awarded contract options to fund construction of LCS-17 and LCS-19, the seventh and eighth ships in a 10-ship contract.