destroyer escort
Noun
Meaning
warship smaller than a destroyer; designed to escort fleets or convoys
Source: WordNetSynonyms
Hypernyms
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Examples
In the USN, these vessels were called " ocean escorts " and designated "DE" or "DEG" until 1975 – a holdover from the Second World War destroyer escort or "DE".
Japanese destroyers were generally deficient in antisubmarine weaponry compared to their Allied counterparts, and the Japanese navy did not develop an inexpensive convoy escort like the Allies' destroyer escort frigate until it was too late.
Cannon-class destroyer escort, purchased from the United States.
Cannon-class destroyer escort purchased from the United States for training use.
Edsall-class destroyer escort, purchased from the United States.
Hence the U.S. Navy's use of "DL" for "frigate" prior to 1975, while "frigates" in other navies were smaller than destroyers and more like what the U.S. Navy termed a " destroyer escort ", " ocean escort ", or "DE".