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242 seconds (2.37 km/s) Burn time. 123 s. Propellant. PBAN - APCP. The Space Shuttle Solid Rocket Booster (SRB) was the first solid-propellant rocket to be used for primary propulsion on a vehicle used for human spaceflight. [1] A pair of these provided 85% of the Space Shuttle 's thrust at liftoff and for the first two minutes of ascent.
PULHES Factor. PULHES is a United States military acronym used in the Military Physical Profile Serial System. It is used to qualify an enlistee's physical profile for each military skill. Each letter in the acronym (see box below) is paired with a number from 1 to 4 to designate the service member's physical capacity.
Dwell time (military) In the military, dwell time is the amount of time that service members spend in their home station between deployments to war zones. It is used to calculate the deploy-to-dwell ratio. Dwell time is designed to allow service members a mental and physical break from combat and to give them time with their families.
The Space Shuttle was launched with the help of two solid-fuel boosters known as SRBs. A solid-propellant rocket or solid rocket is a rocket with a rocket engine that uses solid propellants (fuel / oxidizer). The earliest rockets were solid-fuel rockets powered by gunpowder; The inception of gunpowder rockets in warfare can be credited to the ...
On 23 April 1908 [3] Congress created the Medical Reserve Corps, the official predecessor of the Army Reserve. [4] After World War I, under the National Defense Act of 1920, Congress reorganized the U.S. land forces by authorizing a Regular Army, a National Guard and an Organized Reserve (Officers Reserve Corps and Enlisted Reserve Corps) of unrestricted size, which later became the Army ...
Lanchester's laws are mathematical formulas for calculating the relative strengths of military forces. The Lanchester equations are differential equations describing the time dependence of two armies' strengths A and B as a function of time, with the function depending only on A and B. [1][2] In 1915 and 1916 during World War I, M. Osipov [3 ...
ADCON – Administrative control. ADNS – Automated Digital Network System. ADSW – Active Duty Special Work (U.S. Navy Reserve, type of active duty orders, typically 6 months in duration) ADT – Active Duty Training (U.S. Navy Reserve, type of active duty orders, typically more than 30 days but less than 6 months) AE – Auxiliary ...
The Improved Performance Research Integration Tool (IMPRINT) is a suite of software tools developed by the Human Research and Engineering Directorate (HRED) of the United States Army Research Laboratory. IMPRINT is designed to analyze the interactions between soldiers, systems, and missions, aiding in the evaluation of soldier performance ...