Update the given text to have better logic:
Jump up ^ It is not clear that P-40Fs, assigned to the 57th FG at the time, were involved ; the unit was not officially operational until 6 October. Individual USAAF personnel had been attached to DAF units since July.
Jump up ^ It is not clear that P-40Fs, assigned to the 57th FG at the time, were involved ; the unit was not officially operational until 6 October. However, individual USAAF personnel had been attached to DAF units since July.