Defense Finance and Accounting Service spokesman Tom LaRock said it will be early summer before the TSP Roth option is available for Defense civilian employees and Marine Corps members. Army, Navy and Air Force service members will not get the Roth option until early fall, LaRock said.
Army, Navy and Air Force pay systems are more complicated and require more testing to make sure the changes necessary for the Roth option do not cause problems, he said..."
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