Given a chance to train a Pigeon, what one skill will you train her for?

Did you know?

Pigeons were used for sending messages and invitations not only in ancient times, but as recently as early in the 1990s, during World War I.

If you have been given a chance to train a Pigeon.

What (one) skill will you train her for?

P.S. - The average peak speed of homing pigeons is 60 miles per hour.