Defense Finance and Accounting Service US Military Annuitant Pay is this considered a Military pension.

If you received a Form 1099-R from DFAS it is for pension income.

To enter, edit or delete a form 1099-R -

Click on Federal Taxes (Personal using Home and Business)
Click on Wages and Income (Personal Income using Home and Business)
Click on I'll choose what I work on (if shown)
Scroll down to Retirement Plans and Social Security
On IRA, 401(k), Pension Plan Withdrawals (1099-R), click the start or update button

Or enter 1099-r in the Search box located in the upper right of the program screen. Click on Jump to 1099-R

On the screen Did you get a 1099-R in 2023? Click on Yes

On the next screen click on Continue

On the screen Let's import your tax info Click on Change how I enter my form

On the screen How do you want to add your 1099‑R? Click on Type it in myself

On the screen Who gave you a 1099-R? select the type of 1099-R you received and Continue

IF the DFAS 1099-R was for a person's military service (usually 20 yrs or longer, unless medically discharged).

Then Yes, it is considered a Military Pension....even if a surviving spouse is getting it after the original recipient's death.

In general, it doesn't make a difference on a federal tax return, but some states exempt those $$ form state taxes if the pension is a Military pension from DFAS.