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Navcerebrations

Navcerebrations includes navigational and other related ponderables from the book Portney's Ponderables (published by Litton Systems, Inc. Guidance and Control Systems Division) and other sources.

Columbus Found Longitude?

Which Way Did They Go?

B-24 Lady Be Good Mission

Polar Flap

Lucky Lindy

Graf Zeppelin

Lost and Found

Demise of the Errant Balloon

Mayday in December

Voyage To Arcturus

3D With Half A Pair

Watch What You Say

The Long and Short of Flights

Noah Kalendar

Where's Captain Eddie Rickenbacker?

Lewis And Clark

Secrets of the Swallows

Millennium Theme Park

Rescue the Navigator

A Pi in Your Eye