Though other ports may also be offered to private operators, the big battle is over Callao, the port for Lima, which handles nearly 90% of the country's container traffic.
When she requested Ms Valdivia to stay out of her father's prison cell at the Callao Naval Base so that she could speak in private, the lawyer refused and allegedly struck her.
During the deployment, a visit to the El Callao naval base in Peru was cancelled by the South American country as an "act of solidarity" with Argentina in its dispute with the UK over the Falkland Islands.