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The officer in command of DESRON SIX, for example, is designated Commander Destroyer Squadron Six, COMDESRON SIX for short. As during World War II, a full-strength DesRon (as it was abbreviated at the time) comprised two Destroyer Divisions or DesDivs of four ships each, plus a squadron flagship; these were operational as well as administrative ...
Destroyer Squadron ONE, also known as Destroyer Squadron 1 and often abbreviated at DESRON ONE or DESRON 1, is a squadron of warships of the United States Navy.It is an operational component of Carrier Strike Group One and is administratively responsible to Commander, Naval Surface Forces Pacific.
Near visual acuity or near vision is a measure of how clearly a person can see nearby small objects or letters.Visual acuity in general usually refers clarity of distance vision, and is measured using eye charts like Snellen chart, LogMAR chart etc. Near vision is usually measured and recorded using a printed hand-held card containing different sized paragraphs, words, letters or symbols.
Destroyer Squadron 60 (stylized DESRON 60 and Destroyer Squadron SIX ZERO) is a destroyer squadron of the United States Navy. Destroyer Squadron 60 is one of three U.S. Navy destroyer squadrons permanently based outside the continental United States.
The Jaeger chart is an eye chart used in testing near visual acuity. It is a card on which paragraphs of text are printed, with the text sizes increasing from 0.37 mm to 2.5 mm. [ 1 ] This card is to be held by a patient at a fixed distance from the eye dependent on the J size being read.
Soon after war engulfed the U.S. Pacific Fleet at Pearl Harbor, however, Squadron Two's ships returned to the Pacific in December 1941 with the first carrier deployed to the Pacific, USS Yorktown, and operated with "The Mighty Y" in the Early Pacific Raids (February–March 1942), the Battle of the Coral Sea (4–8 May 1942) (where Sims was lost), and the Battle of Midway (4–6 June 1942 ...
Destroyer Squadron 28 (DESRON 28), is a squadron of warships of the United States Navy.It is an operational component of Carrier Strike Group Eight.The squadron was formed in 1951.
A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.