"I believe that then for the first time, did any of us really realize that Bataan was falling."

Battery E, 60th Coast Artillery (Anti Aircraft)

Initially as an Anti-Aircraft & Searchlight unit stationed on Bataan, thereafter volunteering to man Battery Way, which it did with distinction,  it being the last Battery capable of firing on May 6, 1942.

Unit History unattributed,  but probably by Major William E. Massello

There is also an article by Eric Sprengle on "Wild Bill" Massello and

an article by Tom Murphy, "Wild Bill's Memorial"