Which aircraft are primarily involved in the initial and final position reporting during an ALTRV mission?

The primary responsibility for initial and final position reporting during an ALTRV (Alaska Low Altitude Route Vehicle) mission lies with the first and last aircraft. This is because the first aircraft allows for the establishment of the ALTRV corridor, while the last aircraft is essential for confirming the completion of the operation within that corridor. These specific aircraft are strategically positioned to provide necessary communication to air traffic control and other relevant entities about their location and any relevant operational details.

Initial reporting from the first aircraft is crucial as it signals the beginning of the ALTRV operation, providing vital information on the start time and route. Similarly, the final reporting from the last aircraft ensures that air traffic control is aware when the mission has concluded and that the airspace can revert to standard usage. The involvement of other aircraft in the mission does not change the essential role of these two in maintaining communication and ensuring safety.