Quote:
Originally Posted by Adm.Lee
Yep, that was President Reagan & Navy Secretary John Lehman's biggest lever: the fleet was really aging, and many ships needed replacements. Nearly all of those postwar DDs were replaced by Spruance-class DDG and Perry-class FFG by the '90s. And the Spruances are being replaced by the Burkes, just much more slowly.
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From the above data the US modernization seems to be pretty effective since the averages have moved generally into the mid/late 70s.
Below is the Type (Number) and average date of commission
Carriers (20) MAR 69
BB (4) SEP 43
CG (45) OCT 79
CGN (9) SEP 72
DDG (62) AUG 76
DD (31) SEP 78
FF (59) JUN 70
FFG (57) AUG 81
Amphibs (40) JAN 79
SSN (123) JAN 78
SS (4) JAN 61
SSBN (51) MAY 73
edit realized i needed to add 6 months to the averages due to my method of calculation.