Home | NASA+

nasa 4dThe compelling thing about Charlie Pellerin’s 4-D System is that it works. As a senior NASA leader, I witnessed a literal transformation as the 4-D system took root in our culture. In4D BADA-based Trajectory Generator and 3D Guidance Algorithm Eduardo Sepúlveda Palacios#1, Marcus Johnson*2 #Universidad Autónoma de Nuevo León. Pedro de Alba