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  2. Vehicle markings of the United States military - Wikipedia

    en.wikipedia.org/wiki/Vehicle_markings_of_the...

    The appearance of bumper numbers is a quick and representative sampling of the maintenance status of a unit. Proficiency in marking vehicles is an excellent indicator of deeper and more substantial efficacy of a unit. Bumper numbers also serve to provide a quick reference for identification and minimize confusion in the fog of war. [1]

  3. 72nd Intelligence, Surveillance, and Reconnaissance Squadron

    en.wikipedia.org/wiki/72nd_Intelligence...

    The 72nd Intelligence, Surveillance, and Reconnaissance Squadron (72 ISRS) is a United States Space Force unit assigned to Space Operations Command's Space Delta 7. It provides intelligence support to the United States Space Command and other unified combatant commands .

  4. Taylor microscale - Wikipedia

    en.wikipedia.org/wiki/Taylor_microscale

    The Taylor microscale falls in between the large-scale eddies and the small-scale eddies, which can be seen by calculating the ratios between and the Kolmogorov microscale . Given the length scale of the larger eddies l ∝ k 3 / 2 ϵ {\displaystyle l\propto {\frac {k^{3/2}}{\epsilon }}} , and the turbulence Reynolds number Re l {\displaystyle ...

  5. USAAF unit identification aircraft markings - Wikipedia

    en.wikipedia.org/wiki/USAAF_unit_identification...

    USAAF unit identification aircraft markings, commonly called "tail markings" after their most frequent location, were numbers, letters, geometric symbols, and colors painted onto the tails (vertical stabilizer fins, rudders and horizontal surfaces), wings, or fuselages of the aircraft of the United States Army Air Forces (USAAF) during the ...

  6. File:I-72.svg - Wikipedia

    en.wikipedia.org/wiki/File:I-72.svg

    600 mm by 600 mm (24 in by 24 in) Interstate shield, made to the specifications of the 2004 edition of Standard Highway Signs (sign M1-1). Uses the Roadgeek 2005 fonts archive copy at the Wayback Machine. (United States law does not permit the copyrighting of typeface designs, and the fonts are meant to be copies of a U.S. Government-produced ...

  7. 72nd Test and Evaluation Squadron - Wikipedia

    en.wikipedia.org/wiki/72nd_Test_and_Evaluation...

    Aircraft identity: B-24 Liberator bomber, serial number 44-40546, nose art Two Time, assigned to 72nd Bomb Squadron, 5th Bomb Group, 13th Air Force. Squadron photo of the 72d Reconnaissance Squadron, 1948 RB-29 on the ramp in the snow at Ladd AFB 1948 RB-36H (51-13741) flying over San Francisco Bay, 1954

  8. File:ID-72.svg - Wikipedia

    en.wikipedia.org/wiki/File:ID-72.svg

    This file is in the public domain because it comes from the Rules Governing Traffic Control Devices, sign number M1-7, which states in IDAPA 39.03.41.004 that the Idaho Transportation Board has "incorporated by reference and made a part of the Rules of the Idaho Transportation Department" the federal Manual on Uniform Traffic Control Devices ...

  9. Dimensionless numbers in fluid mechanics - Wikipedia

    en.wikipedia.org/wiki/Dimensionless_numbers_in...

    Dimensionless numbers (or characteristic numbers) have an important role in analyzing the behavior of fluids and their flow as well as in other transport phenomena. [1] They include the Reynolds and the Mach numbers, which describe as ratios the relative magnitude of fluid and physical system characteristics, such as density, viscosity, speed of sound, and flow speed.