Chapter 2. Services and ResponsibilitiesSection 1. ATC Services by the Military2-1-1. WHERE SERVICE MAY BE PROVIDED2-1-2. AIR TRAFFIC CONTROL AUTHORITY2-1-3. FREQUENCY REQUIREMENTS2-1-4. LETTERS OF AGREEMENT (LOAs)/LETTERS OF PROCEDURE (LOPs)2-1-5. TOWER EN ROUTE CONTROL SERVICE2-1-6. EVALUATIONS BY FAA2-1-7. SUSPENDING APPROACH CONTROL OR OTHER AIR TRAFFIC CONTROL AUTHORITY2-1-8. USE OF MILITARY AUTHORITY ASSUMES RESPONSIBILITY FOR SEPARATION OF AIRCRAFT (MARSA)2-1-9. RELEASE OF AIRCRAFT TO GROUND CONTROL APPROACH (GCA) UNITS2-1-10. CONTROL OF FLIGHTS IN PATTERN2-1-11. EXCHANGE OF INFORMATIONSection 2. Air Traffic Representative (ATREP)2-2-1. ASSIGNMENTS2-2-2. ATREP FUNCTIONS2-2-3. FAMILIARIZATION FLIGHTS2-2-4. REQUIRED ABSENCE2-2-5. ALTERNATE AIR TRAFFIC REPRESENTATIVE2-2-6. FUNCTIONS OF ALTERNATE ATREP2-2-7. COORDINATION2-2-8. AVAILABILITYSection 3. Miscellaneous2-3-1. ASSIGNMENT OF MILITARY TOWER LIAISONS2-3-2. SUPERVISOR OF FLYING (SOF)2-3-3. MILITARY AIRSPACE MANAGERS2-3-4. MILITARY REPRESENTATIVES (MILREPs)2-3-5. DOD REIMBURSABLE SUPPORT TO FAA