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.
What is a Coral? What we commonly call corals includes a variety of types of organisms that biologists refer to as coelenterates or cnidarians. One of the main physical characteristics of this group is that they all have a single body cavity and opening, a coelenteron, that doubles both for the ingestion of food and for the release of digested wastes.