A housing allowance paid to supplement BAH-II to members who live in high-cost housing areas overseas.
To read about the OHA program background information go to:
https://secureapp2.hqda.pentagon.mil/perdiem/allooha.html
Frequently asked questions about OHA:
May 3, 2006 9:56aqoha.html
To find OHA rates:
https://secureapp2.hqda.pentagon.mil/perdiem/ohaform.html