Error message

User warning: The following module is missing from the file system: backup_migrate. For information about how to fix this, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1143 of /home/tonbyu/

Mission Objectives

Play through a lengthy campaign of 35 missions with various missions
objectives, including:

Transporting troops, rescuing soldiers, destroying enemy structures,
protecting convoys and delivering supply boxes. Choose the helicopter
appropriate for each mission such as a helicopter with strong fire power
or a helicopter to transport objects.