According to ICAO Annex 11 (Air Traffic Services), which of the following correctly lists the primary objectives of Air Traffic Services (ATS)?

1. Prevent collisions between aircraft, prevent collisions on the maneuvering area between aircraft and obstructions, expedite and maintain an orderly flow of traffic, provide flight advice/information, and notify search and rescue organizations
2. Authorize commercial airline ticket pricing, regulate pilot wage scales, inspect aircraft mechanical airworthiness, and enforce customs and immigration tariffs
3. Control military tactical weapons deployment, enforce maritime navigation channels, manage ground airport concessions, and issue aircraft export certificates
4. Provide ground baggage handling services, oversee airline marketing agreements, maintain aircraft engine overhaul facilities, and schedule flight crew rotations