DBB Architecture, P.C. are Associate Architects for the airport planning team led by ARUP & Gensler, on the Delta Airlines JFK Terminal 4 Phase 2.5 Head House Redevelopment and Concourses A & B Expansion Project. The $3.8b Delta Airlines Terminal 4 Redevelopment project is a significant part of the New JFK Terminal One vision to reposition the John F. Kennedy International Airport as one of the most esthetically pleasing and technologically advanced airports in the world. The 27 gates at Concourse B feature a new boarding counter, seating area and Jet Bridge. The gates can accommodate two-class regional jets.