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.
agent properties. are the properties which determine the pathogenicity of the agent, the solubility and acidity or biodegradability of a chemical, the virulence, adhesiveness, resistance to antibacterial agents of bacteria and viruses and so on.. any power, principle or substance by which something is accomplished, or which is capable of producing a chemical, physical or biological effect such as a disease. 2. of disease; any factor whose excessive presence or relative absence is essential for the occurrence of a disease. adrenergic neuron blocking agent.