Its purpose was to carry mail to and from Britain's growing empire.
The tanker carried mail and nearly a year's worth of news.
The first official regular flight carrying mail took off in 1930.
Before that time, aircraft had been used to carry mail and other cargo.
The line also carried mail for those in the area.
The 343d later trained, carried mail, and served as part of the defense force for Alaska.
In addition to that, many private bus companies also carried mail on their buses.
Aircraft were first used for carrying mail as cargo in 1911.
It was better packed, and they were not carrying mail against time.
In 1934 the aircraft would be used to carry mail.