-- The Northern lights on a cold winter night from Goose Bay to Mildenhall
-- Europe at night ....anytime
-- The vastness of Africa laid out below you droning along at 20,000 feet
-- The stark difference in the green of the Nile valley and the surrounding desert.
-- the quietness of the T-37 cockpit on your first solo
-- Fingertip formation in a T-38
-- The huge cappuccino's at the Navy Base ops in Naples
-- The beauty of the Italian Alps while on approach into Aviano
-- The view from the Apollon Hotel in Athens
-- Happy hour at the Jolly Beach resort in Antigua
-- The quietness of the ATC freqs on a all night transcon....well except for our BOX carrying friends
-- Sunrises and Sunsets beyond belief.....
-- The beauty of the Andes flying into Bolivia
-- The relief you feel when ( back in the day when we had navigators on the C130 who actually shot celestial ) the TACAN/VOR locks on at coast in....AND its where it's suppose to be...

more im sure...but those are a few...