(Jon of he Clue Crew delivers the clue from White Sands NASA Test Facility in New Mexico.) Used to test propellants & explosives, NASA's White Sands High Energy Blast Facility can withstand blasts of 500 pounds of trinitrotoluene, also known by this 3-letter term
...... 
cooperation with the staff located at the White Sands Test Facility in Southern 
New Mexico.