National Park Service Ranger Troy Harman, delivering his mid-winter lecture, “Official Language: Cover-ups hidden in Gettysburg After-Action Reports.” This view was taken at approximately 1:00 PM on Saturday, March 10, 2012.

Today’s lecture was held in the Ford Education Center inside the Gettysburg National Military Park Visitors Center. This view was taken facing northwest at approximately 5:40 PM on Wednesday, July 21, 2010.

We would like to thank the National Park Service and the Gettysburg Foundation for the opportunity to cover these lectures for an online audience. For more information about Gettysburg National Military Park programs and events, simply visit nps.gov/gett. For a look at the park’s official blogs, “From the Fields of Gettysburg” go to: npsgnmp.wordpress.com and “The Gettysburg Schoolbus” at npsgnmped.wordpress.com. You can also “Like” the park on Facebook by clicking here or searching for “Gettysburg National Military Park.” National Park Ranger Troy Harman poses with visitors for a photograph at the conclusion of his “Fairfield: West Cavalry Field” summer battle walk. This view was taken facing northwest at approximately 1:15 PM on Sunday, July 3, 2011.

We’ll be presenting today’s lecture in four videos (most of the lectures run approximately one hour). Select slides from Troy’s presentation are included after the videos. [Video #1]

Video #2.

Video #3.

Video #4.