Rec. 1.b: The DoD OIG recommended that in accordance with Public Law 115-232, Section 2862, paragraphs a through c, the Under Secretaries of Defense for Personnel and Readiness and for Acquisition and Sustainment, in coordination with the Services, develop and implement a plan to field and sustain DoD-wide solutions to address training gaps, including addressing (1) the airspace and impact area needs of advanced aircraft and weapons, such as the F-35; and (2) the need to join neighboring airspace on a continuing basis.