source: [word=□]
destination: [word=Force]
spec: `` We finally made it outside , and all you heard was people screaming for each other , '' he said . The other involved Boeing ’ s hiring of a former Air Force official who oversaw Boeing contracts at the Pentagon . Environmental scientist F. Owen Hoffman notes three problems with dose reconstruction : ( 1 ) it is an inexact science ; ( 2 ) the circumstances , procedures and models used are complex ; and ( 3 ) each dose reconstruction situation `` requires the use of an extensive amount of judgment . As a result of its geography , North Vietnam was subject to air attack by Navy Carrier Task Force 77 from the east and by the US Air Force from bases in South Vietnam and Thailand . Accordingly , the authors seek to ascertain the magnitude of noncontingency TDY that the Air Force needs to maintain requisite levels of training and readiness . Boiler optimization controls limit the production of nitrogen oxides ( NOx ) , which contribute to the formation of ozone and acid rain . Scuba diving can also be arranged . Prior to his current duties , Hussey served as senior scientist for high-powered microwave plasma science and technology , Air Force Research Laboratory , Kirtland Air Force Base , N.M ., where he guided Air Force research and development activities in high-energy-density pulsed power and radio frequency source development .