Old Corps run versus the current run   A brief timeline of the MCOs that define the PFT  MCO   Aug  cancelled MCO   MCO   May  cancelled MCO J  MCO J  Feb  cancelled MCO H  I was only able to locate the documents for MCOs going back to MCO J  and that MCO also has the verbiage over reasonably level ground for the run  MCOs prior to a certain date appear to be scarce online  MCO H was published on Oct as per Navy report    It would seem that the Old Corps style run would either be defined in MCO H or else in an older MCO that was cancelled on or before Oct