Predator UAVs have been operational in Bosnia since 1995 in support of Nato, UN and US operations and as part of Operation Enduring Freedom in Afghanistan and Operation Iraqi Freedom, flying more than 500,000 flight hours on over 50,000 flights. The MQ-1 Predator achieved initial operating capability (IOC) in February 2005.
A high-school senior (twelfth grade) classroom in Calhan, Colorado. In most jurisdictions, secondary education in the United States refers to the last four years of statutory formal education (grade nine through grade twelve) either at high school or split between a final year of 'junior high school' and three in high school. 1 History.
Higher education, post-secondary education, or third level education is an optional final stage of formal learning that occurs after completion of secondary education.