Names are listed below the Photo:

Bottom row from left to right:
Hugh A. Basset CMM,  John S. Denison CEM,  Gene R. Messer CPM,  John B. Gifford CMM

Top row from left to right:
David K. Pope CRT,  Henry F. Vogler CRM,  James R. Layton CSOM,  Antonio Valera CST

Not pictured:
William Durfee CES,  Harold L. Still CGM,  Harry U. Criss CFC

Lost:
Joe E. Wampler CMM,  Tillman N. Smith CWT,  Homer Sherril CTM,  Wallace H. Cable