If you are unsure where your SRB is reported on your W-2 you can ask the issuer of your Form W-2. You may be able to tell by examining your Form W-2 and comparing it to your paystub information.
If this bonus was included as income in Box 1 on your W-2, you will just enter your Form W-2 as is into TurboTax as is. I have included instructions below on how to enter a Form W-2 in TurboTax.
If it is in Box 12 of your W-2 with a code "Q" it is nontaxable. Code "Q" indicates nontaxable combat pay for military personnel.
If you re-enlisted or extended while in a combat zone, your SRB is tax-free and does not need to be included on your tax return. Otherwise, it is taxable income.
If you are using TurboTax Online you can enter your Form W-2 as follows::
If you are using TurboTax Desktop, you can enter your Form W-2 as follows:
Click here for additional information on manually entering your W-2.
Click here for additional information regarding editing your Form W-2