a reimbursable or non-reimbursable basis, in coordination with the Federal Aviation Administration. (i) Semiannual briefings (1) In general On a semiannual basis beginning six months following the enactment of this provision during the seven-year period beginning upon enactment of this provision, the Secretary of State and the Secretary of Transportation shall jointly provide a briefing to the appropriate congressional committees on the activities carried out pursuant to this section. Such briefings shall include a description of— (A) policies, programs, and procedures to mitigate or eliminate impacts of such activities to the National Airspace System