The U.S. drone war across much of the Greater Middle East and parts of Africa is in crisis and not because civilians are dying or the target list for that war or the right to wage it just about anywhere on the planet are in question in Washington.ertainly, there is nothing second-class about the work tempo of drone life. Pilots log 900-1,800 hours a year compared to a maximum of 300 hours annually for regular Air Force pilots. And the pace is unrelenting.
Sign up to view the full content. Characteristics of biological agents 1. Anti-personal :- a bioweapon must be capable of harming humans directly or indirectly. It should have high infectivity, high virulence, non-availability of vaccines, and availability of an effective and efficient delivery system.
A pathogen or infectious agent is a biological agent that causes disease or illness to its host. The term is most often used for agents that disrupt the normal physiology of a multicellular animal or plant. However, pathogens can infect unicellular organisms from all of the biological kingdoms. There are several substrates and pathways whereby pathogens can invade a host.