What the difference between mission director and mission president?
mission director for NASA and mission president for ESA
The difference between the two people is that Osama bin Laden was a well-known terrorist who planned the 9/11 attacks on America; whereas Barack Obama is the president of the United States, and the commander in chief, whose job is to keep America safe. President Obama is also the man who implemented the mission that brought Bin Laden to justice in 2011.
It is a rumor that your LDS mission paper packet will be 'heavier' or 'thicker' if you are being called to a foreign mission rather than a stateside mission. It is true that there is extra information regarding passports, visas, etc for the specific country you are called to, however the actual weight difference between stateside and foreign mission packets is so small that it could no be measured with a standard household scale.
The Capcom is the only person who speaks directly to the astronauts on a regular basis. The Capcom is always a member of the astronaut corps, and often has worked as a back-up on the mission. On occasion, others may speak with the astronauts by arrangement. For example, the families, the NASA director, or the President may have short times allocated to pass messages to the astronauts.