A look at Reagan's jet, the last Boeing 707 to serve as Air Force One

Before the gleaming 747s that now ferry U.S. presidents across oceans, there was a smaller, sleeker jet that carried the weight of the free world.

The last Boeing 707 to serve as a primary Air Force One — the aircraft that once flew President Ronald Reagan , plus six other American presidents — now sits under a striking glass pavilion at the Ronald Reagan Presidential Library in Simi Valley, California.

“This was the last 707 that was used as a primary aircraft as Air Force One,” said David Trulio, president and CEO of the Ronald Reagan Presidential Foundation and Institute. “Subsequent to President Reagan, it was a 747.”

Reagan flew the 707, tail number SAM 27000, more than any other president, and it remained in the presidential fleet until it was decommissioned in 2001, taking it