The US Navy’s frigate force is rapidly shrinking as the 1980s-era ships are taken out of service. The Navy would love to transfer the ships to friendly nations for further service, and several nations are eager to have them.

But in recent years, congressional politics have made some of the proposed moves controversial, and measures to approve the transfers have run afoul of partisan politics, particularly when Turkey and Pakistan are concerned.

But on April 7, the House passed a bill approving the transfer of eight frigates — four to Taiwan, two to Thailand and two to Mexico. Two of the ships named in the bill already have left service, with the other six set to leave the US fleet in 2015. […]