Photos on thomasoneil.com

Today in History on thomasoneil.com

All images from July 29.

Milestones of flight, clockwise from top, the X-1 that broke the sound barrier, the X-15 rocket plane that flew at Mach 6, the Wright Flyer, the Apollo 11 command capsule Columbia, a replica of the Viking Mars lander, and the Spirit of St. Louis, National Air and Space Museum, Washington, DC.

Photo of the Day: Milestones of flight, clockwise from top, the X-1 that broke the sound barrier, the X-15 rocket plane that flew at Mach 6, the Wright Flyer, the Apollo 11 command capsule Columbia, a replica of the Viking Mars lander, and the Spirit of St. Louis, National Air and Space Museum, Washington, DC. 1999.

All other photos from this day:

2006

2006

Dragonfly, Lakeside Nature Center, Kansas City.

2005

1903 Wright Flyer, National Air and Space Museum, Washington, DC.

1999

1903 Wright Flyer above Apollo 11 command capsule Columbia, National Air and Space Museum, Washington.

1999

Apollo 11 command capsule Columbia, National Air and Space Museum, Washington.

1999

Spirit of St. Louis, National Air and Space Museum, Washington.

1999

X-1 Glamorous Glennis, rocket plane which broke the sound barrier, National Air and Space Museum, Washington, DC.

1999

X-15 Mach 6 rocket plane, National Air and Space Museum, Washington, DC.

1999