President Biden's NASA Nominee Pledges Robust Space Program

NASA is advancing in human spaceflight, with the Biden administration prioritizing the agency by nominating Bill Nelson as its administrator. Nelson, a former astronaut and congressman, has received bipartisan support for his nomination. He has played a key role in shaping NASA's future through legislation that supports a dual-track approach, involving privatization for low Earth orbit missions and NASA's Space Launch System for Moon and Mars missions. Nelson aims to keep NASA on track for landing Americans on the Moon in three years and on Mars in the 2030s.

What dual track approach is NASA currently utilizing according to the text?

What are the planned timelines for landing Americans back on the Moon and Mars?