Encyclopedia: 554...

Encyclopedia : 5 : 55 : 554 (5 articles)

5-54 Mark 45
General Characteristics Designation: Mark 45 - 5-inch/54-caliber lightweight gun Date of design: 1968 Date in service: Mark 45 Mod 0 - 1971Mark 45 Mod 1 - 1980Mark 45 Mod 2 - 1988 Mounting weight: 21.7 tons Gun length oa: 29.5 ft (9 m) Barrel length: 22.5 feet (6.86 m) Rifling length: 19..

554
For other uses, see (disambiguation)}}}. ..

554th Electronic Systems Wing
The 554th Electronic Systems Wing's precursor organization was inactivated on Nov. 1, 1991, as the 554th Operations Support Wing. The 554 ELSE was last stationed at Nellis AFB, Nev., but was reactivated to replace the Operations Support Systems Wing at Hanscom AFB, Mass. ..

554 Peraga
554 Peraga Name Name Peraga Designation 1905 PS Discovery Discoverer Paul Götz Discovery date January 8, 1905 Discovery site Heidelberg Orbital elements Epoch October 03, 1996 (JDCT 2450359.5) Eccentricity (e) 0.154 Semimajor axis (a) 2.374 AU Perihelion (q) 2.009 A..

From Wikipedia, the Free Encyclopedia. Article contents subject to the GNU Free Documentation License.