User:GeoVenturing/sandbox

Irma Wyman worked on a missile guidance project at the Willow Run Research Center.
 * To calculate trajectory, they used mechanical calculators. In 1947-48,

She visited the U.S. Naval Proving Ground where Grace Hopper was working on similar problems and discovered they were using a prototype of a programmable Mark_II computer

EarthSea-Keeper (talk) 23:05, 4 June 2023 (UTC) GeoVenturing (talk) 03:22, 9 February 2017 (UTC)