Air Force Senior Airman Henry Alexander 355th Civil Engineer Squadron heavy equipment operator, directs a crane operator during the positioning of new chiller at Davis-Monthan Air Force Base, Ariz., Jan. 30, 2018. The installation of a new chiller was necessary after the previous one at the 563rd Operational Support Squadron sustained total damage. With the help of the Dirt Boyz, the HVAC team were able to install a brand new chiller, ensuring the 563rd OSS never experienced a lapse in mission readiness. ( Air Force

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Keywords: america, armed, chiller, davis-monthan, defence, employee, federal, forces, government, hvac, military, oss, rqs, service, states, tucson, united, usa