Each extraction deployment will begin in Stage 1 and consists of 4 stages. You may however be deployed into an active game, so keep an eye on the Stage alerts at the bottom of the screen.
Stage 2 - Turret Sites will be repaired.
Stage 3 - Turret Sites will be repaired and Loot Sites replenished.
Stage 4 - Clone Sever Imminent - Exfil Advised.
You may extract at any point provided you have a Signal Beacon. In Stage 4 however you will only have 5 minutes before an inevitable Clone Death.
When extracting you will recieve a Deployment Summary with your statistics including Kills and Clones used, an Income report with the items extracted and completed missions, a lastly the Corruption and/or Suppresion generated.