Survivor Benefit Plan and related military survivor annuities count as taxable income in Georgia, but surviving spouses who meet an age or disability test can exclude a large part of it.
Claim the retirement income exclusion on your Georgia income tax return, following the instructions in the Georgia individual income tax booklet.
Your Form 1099-R for the annuity, proof of age, and documentation of a permanent disability if you are claiming under age 62.