neighbors of 73-year-old john roger johnson say he always had a smile on his face. mary francis knight was 51 she was an information technology contractor who taught at a local community college. arthur daniels worked as a handyman at the navy yard for 17 years. gerald l. read, 57, worked in managing security risks at the nfl he served during the korean, iraq and afghanistan wars. frank kohler was a senior systems engineer according to the "new york times." he served his community of lexington park, maryland as a form president of the rotary club. the paper also reports 61-year-old vishnu pandit was a marine engineer and naval architect who dedicated 30 years of his life to the navy. kathy gaarde, 62, had been working in washington for 38 years. richard michael ridgell spent 17 years with the maryland state