July 20, 2026
The TSP Mistake Costing Service Members Thousands
The Thrift Savings Plan is one of the most powerful financial tools available to U.S. service members, and one of the most frequently misused. With 2026 contribution limits now in effect, a new Roth catch-up requirement active since January 1, 2026, and a 27-pay-period calendar creating a mid-year trap for percentage-based contributors, the gap between what participants contribute and what they could accumulate over a career can reach tens of thousands of dollars.