What exactly do you mean by "itemized"?
On a federal tax return itemized deductions are entered on Schedule A. Military pension cannot be an itemized deduction on Schedule A. The military pension is taxable on a federal tax return and entered on the Form 1040 on Lines 5a and 5b. Or are you referring to a state tax return?
TurboTax has a Accurate Calculation guarantee whereby they will pay for any penalties or interest the user of the software had to pay due to a calculation error. It does not pay for any type of user error or omission by the user.
See this TurboTax support FAQ for submitting a claim - https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-account-billing/submit-claim-turb...
