The repayment process affecting retired service members in the United Kingdom has brought unexpected deductions in military pensions into the spotlight. The Ministry of Defence confirmed that action is under way to recover debts said to have arisen for various reasons from more than 1,000 retired personnel. The largest item was a total overpayment of £5.1 million affecting 335 people because of incorrect National Insurance calculations.

According to the ministry, the errors stemmed from National Insurance adjustments, pension sharing orders, early departure payments and transactions linked to the state pension age. Of the cases involving 335 people, about one-third of the debt has been cleared in full, and repayment plans have been set up for 52 people. So far, £304,000 of the £5.1 million total has been repaid.

One case concerns 70-year-old Ray Lawton, who served for 16 years in the Royal Artillery. Lawton was told in July that he owed £8,000 because of an overpayment spanning six years. Soon after, his monthly military pension was cut from £550 to £365.

Another Royal Navy veteran told the BBC that after 36 years of service he was handed a bill for £26,438, leaving him with about £650 less in monthly income. RAF veteran Barrie Goodwin said he questioned what he thought was an unusually high payment six years ago, but later received a repayment demand saying he had been overpaid by £32,188. These examples suggest the problem is not isolated, but part of a wider administrative issue.

The non-profit Forces Pension Society, which supports retired service members, said it was aware of many cases involving sums running into tens of thousands of pounds. The group said some former personnel had been asked to repay six-figure amounts. It is advising people who receive official notices to verify the letter, request a detailed breakdown from Equiniti and use the internal appeals process.

The pension scheme is administered by Equiniti on behalf of the Ministry of Defence, while technology company Sopra Steria has been responsible for the system since 2023. Sopra Steria said the errors originated more than a decade ago, before its contract began. Equiniti said, without commenting on individual cases, that many institutions, systems and processes are involved in running a scheme of this size.

The government says it has a duty to recover taxpayers’ money in cases of genuine overpayment, but that this must be done in a measured and sensitive way. Former Defence Secretary Penny Mordaunt, meanwhile, said there were strong grounds for writing off the debt in many cases. The debate is now focused on balancing the protection of public funds with the sudden losses felt by pensioners living on fixed incomes.