Yuma Proving Ground welcomed a new commander, Col. Thomas L. Payne, while saying goodbye to retiring commander, Col. John R. Bullington (7-23-09). Video by James Gilbert and Janet Chasse

The newly built General Walker Gate, now the largest access point for vehicles entering the Yuma Proving Ground, replaced one that Col. Thomas Payne, outgoing YPG commander, gave a special name.

A film crew was at Yuma Proving Ground to film this new M777 cannon, the world's lightest 155mm howitzer, for a documentary to be aired on PBS called 'Ground War.' Video by James Gilbert and Janet Chasse

NASA engineers conducted another successful airdrop test of the Orion space capsule’s descent and landing parachutes, high above the Yuma Proving Ground early Wednesday morning. Footage provided by YPG and NASA

The airdrop of a NASA space capsule that took place in Feb of 2012 at Yuma Proving Ground went off without a hitch. An Air Force C-17 aircraft dropped the cargo over a drop zone from an altitude of 25,000 feet. LOANED VIDEO/NASA, YPG