speculating, where the lithium batteries, we don't know how many there were, but if they started to overheat and burn, the crew would start to get alarms. those areas are well-sensored for heat and disturbances and start to see that something is going wrong in the cargo bay. the next thing they may get is a fire alarm. they could start to see electrical anomalies in the cockpit. systems may go off line. it wouldn't account when you correlate that information with the information that we have with the primary and secondary radar and the pings we get from the system. this plane we know was in the air for a long time. >> it would explain though the systems and the communication failures not being able to reach air traffic control. they may not have the