20th SPCS visit
Senior Airman Mark Tomasetti, 20th Space Control Squadron, displays the 20th SPCS's advanced Satellite Tool Kit (STK) to Col. Stephen Whiting, 21st Space Wing commander. The STK software provides a three dimensional representation of a satellite's location to aid in tracking high-interest objects, a crucial element of providing America with flawless missile warning and space control operations. (Air Force photo by 1st Lt. Joshua McCullion)