155mm projectiles from Pueblo’s stockpile were safely destroyed in the PCAPP EDS. At BGCAPP, in June 2015, the SDC completed Factory Acceptance Testing at the Dynasafe workshop in Kristinehanm, Sweden. The SDC arrived at BGCAPP in August to be assembled, tested and installed. On Oct. 28, BGCAPP declared construction of the main facility substantially completed and the project fully transitioned into the systemization phase. On Feb. 11, 2016, the PCAPP EDS successfully completed its first campaign at PCD in Colorado, destroying 560 problematic munitions. At that time, the EDS went on stand-by with plans to resume further EDS operations at a later date. PCAPP technicians began testing the Biotreatment Area using a surrogate solution, thiodiglycol. Preliminary results showed the system worked effectively. In September, PCAPP entered into the pilot testing phase, where destruction operations were tested. The main plant began chemical weapons destruction operations on Sept. 7, 2016. In October, the plant began the neutralization process. At BGCAPP, site systemization activities began, where workers tested various equipment. The SDC was placed and walls were built around it. At PEO ACWA headquarters in Maryland, Tamika Atkins was named chief of staff and Joseph Novad was named deputy program executive officer. On April 28, 2017, Conrad Whyne retired as program executive officer, and on June 25, 2017, Suzanne S. Milchling assumed duty as the newly assigned program executive officer. On Feb. 15, 2018, PCAPP ordnance technicians reached a plant milestone when the last of more than 28,000 105mm projectiles went through baseline reconfiguration. By July, the BGCAPP systemization team turned over more than half of the 59 plant systems to operations. On Sept. 10, Michael S. Abaie assumed duties as the program executive officer. On Nov. 13, PCAPP Integrated Facility Demonstrations (IFDs) began. On Dec. 5, the PCAPP EDS finished its second and final campaign destroying 391 munitions. As of April 1, 2019, PCAPP destroyed a quarter (25%) of the mustard agent stockpile at PCD. On May 3, PCAPP IFDs successfully concluded and PCAPP transitioned from the pilot testing phase to full operations. By Aug. 1, more than half of the 155mm munitions at PCD were destroyed. On Aug. 6, the components for the first of three SDC units arrived at the depot in Colorado and assembly began on Oct. 31. Also in April 2019, officials from the Organisation for the Prohibition of Chemical Weapons, or OPCW, toured BGCAPP as part of