Admiral Donaldson joined Ionatron following a distinguished 32-year career in the Navy and a two year position as Director of NASA's John C. Stennis Space Center, in Mississippi. His career in the Navy involved a unique blend of engineering and operational tours on surface ships, submarines and aircraft carriers, in addition to supporting aircraft squadrons involved in anti-submarine warfare. His career specialties were in the fields of oceanography, meteorology and hydrography. His final tour was in charge of the Navy's Meteorology and Oceanography Command, involving 3000 personnel, 15 subordinate activities, seven ships and two supercomputer centers. As Director of the John C. Stennis Space Center, he oversaw the operations of a $1.5B rocket engine test complex, as well as the activities of over 60 resident federal, state and private organizations employing 4500.