Lyndon Johnson actually said...
You stand today in a long line of brave men--the kind of men that our Nation has produced when they were needed--the kind of men who fought at Valley Forge and Vicksburg--in the Argonne and at Iwo Jima--on the Pusan perimeter and at the 38th parallel.
Context
Remarks to Members of the Armed Forces at Cam Ranh Bay, Vietnam.
10/25/1966