Some officials are already considering the possibility of using nuclear weapons as a last resort.
Washington and Moscow haven't commented on the meeting.
The helicopters are scheduled to launch in late 2028 before being delivered to Mars using what the US space agency describes as a 'daring mid-air deployment'.
Russians are moving to cash over concerns about Putin’s war (Picture: ALEXANDER NEMENOV/AFP via Getty Images)
Almost 250 women have come forward to claim a French civil servant drugged them during a job interview so they would urinate on themselves.
