I would suggest you call or go visit finance, which is on the first floor of BLDG 5700, (the same building you signed for housing at)
Defense Military Pay Office
LOCATION: BUILDING 5700, 1ST FLOOR SOUTH
HOURS OF OPERATION:
Mon., Tue., Thurs., Fri. – 0730-1530
Wed. - 0730-1200
PHONE: Com (334) 255-3939/9922 or DSN 558-3939/9922
To my understanding, if you are on leave under the DA31 from your losing command, you should still keep the last month's BAH. That number, is the official source though. Hope this helped. Welcome to Fort Rucker.
Soldiers may doubt what you say, but they will believe what you do.