More than 50 years after the deadly USS Frank E. Evans collision, survivors and lawmakers say the sailors deserve recognition on the memorial wall. More than five decades after 74 U.S. Navy sailors were killed in one of the deadliest non-combat naval tragedies of the Vietnam War era, families, survivors and lawmakers are continuing a push to have their names added to the Vietnam Veterans Memorial. The sailors died June 3, 1969, when the USS Frank E. Evans collided with the Australian aircraft carrier HMAS Melbourne during a nighttime training exercise in the South China Sea at the height of…