I have an XML file that I need to read and I having trouble moving to a specific element to then start parsing over child elements. 
The element that I need to start reading from is `<MenuCodes>`, what is the best method of navigating to the element and then start reading?

Sample XML file

```
<?xml version="1.0" encoding="UTF-8"?>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
   <s:Header>
      <ActivityId CorrelationId="8eb2de20-8dff-4460-ffff-866ac948dfab" xmlns="http://schemas.microsoft.com/2004/09/ServiceModel/Diagnostics">b921a5f3-8188-4021-9c6f-416bdf78f629</ActivityId>
   </s:Header>
   <s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
      <GetMenusResponse xmlns="http://www...">
         <GetMenusResult>
            <Header xmlns="http://www...">
               <SessionId>{8CCCED2E-3D44-4200-BBAC-66660CA08692}</SessionId>
               <CorrelationId>{AFFED12-AD36-4A2C-99FE-5E8D7CBC681D}</CorrelationId>
               <TimeStamp>2018-09-14T11:36:21.5123749Z</TimeStamp>
            </Header>
            <ResponseStatus xmlns="http://www...">
               <Status>OK</Status>
            </ResponseStatus>
            <ResponseBody xmlns="http://www...">
               <Refreshed>2018-09-14T11:36:22.0115845Z</Refreshed>
               <Menus>
                  <MenuCodes>
                     <MenuCode Code="AAA/A1" ShortText="Foo">
                        <ValidPrefix Prefix="V" />
                        <ValidPrefix Prefix="D" />
                        <ValidPrefix Prefix="N" />
                     </MenuCode>
                     <MenuCode Code="AAA/A2" ShortText="Foo2">
                        <ValidPrefix Prefix="D" />
                        <ValidPrefix Prefix="N" />
                     </MenuCode>
                   </MenuCodes>
               </Menus>
            </ResponseBody>
         </GetMenusResult>
      </GetMenusResponse>
   </s:Body>
</s:Envelope>   

```