a final oversight technical review prior to operations. On May 29, BGCAPP held the Start of Agent Operations event at the Armed Forces Reserve Center in Richmond, Kentucky, to recognize the start of chemical weapons stockpile destruction in Kentucky. On June 7, BGCAPP successfully destroyed the first mustard agent-filled munition in the Static Detonation Chamber, marking the beginning of SDC operations in Kentucky. 2020s On Jan. 17, 2020, BGCAPP main plant entered the operations phase with the destruction of the first 8-inch projectile containing GB nerve agent. In March, the first concrete foundation was placed for a support building for the Static Detonation Chamber 2000 facility, which will augment main plant processing. On Feb. 26, PCAPP exceeded destruction of half of the agent stored at PCD. On May 11, BGCAPP destroyed all 8-inch projectiles containing GB nerve agent, marking the completion of the first munitions campaign for the project. On June 20, PEO ACWA reached a mission milestone with the destruction of half the remaining stockpile, a combined 1,568 U.S. tons in Colorado and Kentucky. On June 23, PCAPP finished baseline reconfiguration of the 4.2-inch mortar rounds containing mustard agent. On Sept. 5, 2020, the first munitions campaign at PCAPP was completed with nearly 300,000 155mm projectiles stored at the Pueblo Chemical Depot destroyed. In August 2020, the decision was made to not use the supercritical water oxidation system at BGCAPP to process hydrolysate, the product of the neutralization process. On Dec. 11, PCAPP began its second destruction campaign with the 105mm projectiles. On Jan. 10, 2021, BGCAPP began its second main plant destruction campaign with the 155mm projectiles containing VX nerve agent. On June 30, PCAPP destroyed 75% of the mustard agent stockpiled in chemical weapons at the Pueblo Chemical Depot. On July 9, BGCAPP destroyed M55 rockets containing VX nerve agent for the first time marking the start of the fourth of five destruction campaigns. As of Aug. 13, more than 2,000 U.S. tons of mustard agent was destroyed at PCAPP. On Sept. 4, the third destruction campaign was completed at BGCAPP as the final mustard 155mm projectiles were destroyed. On Sept. 15, PCAPP reached the destruction milestone with more than half (50%) of the 105mm projectiles stored at the Pueblo Chemical Depot destroyed. As of Sept. 27, 2021, a half-million projectiles containing mustard agent were destroyed at PCAPP. On Feb. 19, 2022, The Pueblo Static Detonation Chamber