168280 from FY2011 is the first presidential Osprey (LRIP Lot 15). It flew first on 23 Jan'13 and was delivered to Marine Helicopter Squadron (HMX) ONE 'the Nighthawks' on 3 May'13. The Marine One Osprey's replaced a small number of CH-46 and CH-53s within HMX-1 and are used as support aircraft. They lack the white paint at the top of the fuselage (thus the nickname "white tops") that the VIP transport helicopters have. On 11 Aug'13 two MV-22Bs made their presidential debut ferrying Secret Service agents, White House staff, and members of the media from CGAS Cape Cod to Martha's Vineyard (MA).