The final test flight was made at the end of January, nineteen sixty-one.

VOA: special.2009.06.10

The final test flight was made at the end of January,nineteen sixty-one.

VOA: special.2009.06.17

"Most people are not comfortable with the fact that, at the end of it you will test their blood and give them their HIV ."

VOA: standard.2010.06.04