Per IRS Publication 3, Armed Forces' Tax Guide, page 11:
Are My Travel Expenses as a Reservist Deductible?
If you are a member of a reserve component of the Armed Forces and you travel more than 100 miles away from home in connection with your performance of services as a member of the reserves, you can deduct your unreimbursed travel expenses on your tax return. Include all unreimbursed expenses from the time you leave home until the time you return home. See How To Report My Reserve-Related Travel Expenses below for information on how to report these expenses on your tax return.
Am I a Member of a Reserve Component?
You are a member of a reserve component of the Armed Forces if you are in:
To enter the deduction on Schedule 1 (Form 1040) Additional Income and Adjustments to Income, Line 11:
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