or if You want to keep the fields in an application logic order
You can use ...
to disable the command field completely
CMD(field-name) Identifies the panel field (variable name) to be treated as the command field. The field type must be a CUA input type. If the CMD keyword is omitted from a )BODY statement, ISPF uses the first input field as a default command field. You can specify that you do not want a command field by using CMD(). Do not use this option for a table display. You must have a command field for a table display.