Dim service$, mission$, c1 As Range, c2 As Range
service = Range("C12")
mission = Range("E12")
Set c1 = Sheets("MISSIONS REMPLA").Cells.Find(service, , xlValues, , xlWhole)
If Not c1 Is Nothing Then
Set c2 = c1.Resize(100).Find(mission)
If Not c2 Is Nothing Then
c2 = "" 'vide la cellule
c1.Resize(100).Sort c1, xlAscending, Header:=xlYes 'tri
End If
End If