Correct date format in macro

Attached is a macro and sheet containing an output tab.  The macro output tab processes most of the dates correctly as they are formatted by an abbreviated month, followed by a four(4) digit year (i.e. Mar 2011).  This is precisely correct.  Some types of trades though have an actual date that is important also and so the formatting is not correct for those.  In the cases where there is an actual date in the Exp column (some of these are denoted in yellow), the format for them should be an abbreviate month, followed by a two (2) digit date, followed by a four (4) digit year (i.e. Mar 5 2011) with no commas or punctuation.  Assistance is greatly appreciated.  Both the macro and sheet are here.

Option Explicit

Public Sub CopyTradeHistory()
  Dim wks As Worksheet
  Dim rngSrc As Range
  Dim strSheetname As String
  Dim lastrow As Long
  
  On Error Resume Next
  Application.DisplayAlerts = False
  Application.ScreenUpdating = False
  
  Set wks = ActiveSheet
  strSheetname = wks.Name
  Set rngSrc = wks.Cells.Find("Account Trade History")
  Set rngSrc = wks.Range(rngSrc, rngSrc.End(xlDown).End(xlDown).Offset(0, 11))
  ActiveWorkbook.Worksheets(strSheetname & "_output").Delete
  Set wks = ActiveWorkbook.Worksheets.Add
  wks.Name = strSheetname & "_output"

  rngSrc.Copy wks.Range("A1")
  wks.Columns(3).Insert
  wks.Columns(5).Insert
  wks.Cells(2, 3).Value = "Strategy#"
  wks.Cells(2, 4).Value = "Strategy"
  wks.Cells(2, 5).Value = "Leg#"
  wks.Rows("1:2").Font.Bold = True
  lastrow = wks.Range("a" & 64000).End(xlUp).Row
  wks.Range("E3:E" & lastrow).Formula = "=IF(OR(H3<>H2,E2=""leg2""),""Leg1"",""Leg2"")"
  wks.Range("E3:E" & lastrow).Value = wks.Range("E3:E" & lastrow).Value
  wks.Range("C3:C" & lastrow).Formula = "=counta(B3:B$3)"
  wks.Range("C3:C" & lastrow).NumberFormat = "General"
  wks.Range("C3:C" & lastrow).Value = wks.Range("C3:C" & lastrow).Value
  wks.Range("I3:I" & lastrow).NumberFormat = "mmm yyyy"
  wks.Columns(3).Insert
  wks.Cells(2, 3).Value = "Position#"
  Application.CutCopyMode = False
  Application.ScreenUpdating = True
  Application.DisplayAlerts = True
End Sub

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TradeHist-2.3b.xlsm