Throughout its history, the U.S. military has explored — first over the earth via land and sea, then into the skies, and finally into space. This legacy of exploration can be seen here at Arlington National Cemetery, the final resting place of many people who expanded our understanding of the earth, air, and space.
- Length: 3.5 miles
- Starting point: Section 2 (0.4 miles from Welcome Center)
- Exertion Level: High