When you deploy to a qualifying combat zone, several pay elements change or activate: Hostile Fire Pay or Imminent Danger Pay ($225/month), Family Separation Allowance ($300/month if separated from dependents for 30+ days), and the Combat Zone Tax Exclusion, which can make most or all of your base pay exempt from federal income tax. The combination significantly increases take-home pay and creates a financial window — one that closes the moment the deployment ends.
What is the Combat Zone Tax Exclusion?
The CZTE excludes qualifying military pay from federal income tax during eligible months in a designated combat zone. For enlisted members and warrant officers, this generally covers all qualifying pay — base pay, HFP/IDP, and bonuses — earned during those months. Commissioned officers have a monthly exclusion cap tied to the highest enlisted pay rate (E-9 maximum) plus any HFP/IDP received.
FICA taxes (Social Security and Medicare) still apply during CZTE months. State income tax depends on your state of legal residence, not where you are deployed.
What are Hostile Fire Pay and Family Separation Allowance?
Hostile Fire Pay and Imminent Danger Pay each pay $225/month. The practical distinction: HFP is typically paid for the full calendar month if you qualify for any day of that month; IDP is generally prorated daily in qualifying areas. A member generally cannot receive both HFP and IDP for the same month — finance determines which entitlement applies based on the qualifying location and event. Your orders and unit finance office confirm what applies to your deployment.
Family Separation Allowance adds $300/month when you have qualifying dependents and are separated from them for 30 or more consecutive days due to military orders. FSA must be applied for — it is not always automatically initiated.
Two tools that make deployment finances especially powerful
The Savings Deposit Program pays 10% annual interest — guaranteed by the U.S. government — on up to $10,000 deposited while deployed to a qualifying combat zone for 30 or more consecutive days. That rate is not available in any normal savings account.
Roth TSP contributions during combat zone months carry a triple tax advantage: contributions come from tax-excluded income, grow tax-free, and qualify for tax-free withdrawal in retirement. This combination cannot be replicated outside a combat zone month. The 2026 Roth TSP elective deferral limit is $24,500, with the total annual additions limit rising to $72,000 in combat zone months.
What stays the same?
BAH generally continues based on your existing entitlement and duty-station situation, but the exact rule can depend on dependent status, housing arrangements, orders, and whether government quarters are provided. Base pay continues at your current grade. BAS continues unless you're receiving government meals in theater. Confirm the specifics of your situation with your finance office before deployment.
Free Calculator
Deployment Pay Calculator
Enter your rank and deployment details to see your exact pay before, during, and after deployment — including the CZTE tax savings.
Open Calculator →For a full breakdown of every deployment pay component and a worked E-6 example, see Deployment Pay Explained.
Educational information about deployment pay. Verify specific entitlements with your finance office and confirm which areas qualify for CZTE and HFP/IDP with your orders.
