Message Type: Alert

• Outgoing from Rover to Mission Control.
• Must be fast tracked out.
• Might come in parts.
• Followed imminently by a Status message.

message Alert {

  optional bool Temp = 1; //temperature dropping below thresholds
  optional bool Shock = 2; //experienced high G
  optional bool Battery = 3; //voltage dropping below thresholds
  optional bool Solar = 4; //voltage dropping below thresholds
  optional bool Motor = 5; //Motor high current
}