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The Kessler syndrome (also called the Kessler effect, [1] [2] collisional cascading, or ablation cascade ), proposed by NASA scientist Donald J. Kessler in 1978, is a scenario in which the density of objects in low Earth orbit (LEO) due to space pollution is numerous enough that collisions between objects could cause a cascade in which each ...
Survival handbook of the United States Army Air Forces (USAAF) from 1944. Survival, Evasion, Resistance, and Escape ( SERE) is a training program, best known by its military acronym, that prepares U.S. military personnel, U.S. Department of Defense civilians, and private military contractors to survive and "return with honor" in survival ...
A ground proximity warning system ( GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle. The United States Federal Aviation Administration (FAA) defines GPWS as a type of terrain awareness and warning system (TAWS). [1] More advanced systems, introduced in 1996, [2] are ...
The training, aimed to step up their combined capability to respond to North Korea's threats, follows a multi-year joint exercise plan set up after last year's three-way summit, the South Korean ...
The Jacqueline Kennedy Onassis School at American Ballet Theatre ( ABT/JKO School) is the associate school of American Ballet Theatre located at 890 Broadway, within the Flatiron District of Manhattan, New York City. The school comprises a children's division for ages 4 to 12, a pre-professional division for ages 12 to 18, and the preparatory ...
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The two SH-60K reconnaissance helicopters carrying a total of eight crew lost contact late on April 20 during nighttime training east of the island of Torishima in the Pacific Ocean, about 600 ...
The NASA Aviation Safety Reporting Service (ASRS) received 11,168 reports of runway incursions between January 2012 to August 2017, at a rate of approximately 2000 per year. More than 40 percent of reports were filed by general aviation pilots, and 36 percent by air carrier pilots.
A collision avoidance system ( CAS ), also known as a pre-crash system, forward collision warning system ( FCW ), or collision mitigation system, is an advanced driver-assistance system designed to prevent or reduce the severity of a collision. [2] In its basic form, a forward collision warning system monitors a vehicle's speed, the speed of ...
In 2016, the number was zero. Now, it includes 152 emergency medical service agencies in 23 states, according to Dr. Randall Schaefer, a retired Army trauma nurse and steering committee member of ...
All Army Reserve personnel undergo CBRN warfare defense training. The Irish national police force, the Garda Síochána, has a number of nationwide CBRN response teams. The teams are based regionally (in six regions; Dublin, Eastern, Northern, Southern, South-Eastern & Western) and began operating in 2004 with 100 trained officers (170 ...