This is VH-92A System Demonstration Test Article 2, the fourth Patriot built. It is former Sikorsky test registration N313SX and was first noted in mid-2019. 169180 is one of 23 VH-92As that the US Navy budget procured, of which 21 will be operational aircraft and two will remain test aircraft. The 21 aircraft are operated by Marine Helicopter Squadron (HMX) OBNE, based at Quantico (VA). The squadron runs a detachment at Joint Base Anacostia-Bolling (MD). The VH-92As replace the venerable VH-3D Sea King and VH-60N of HMX-1.