First Battalion Four Marines
Personnel Rosters - Alpha Company
1 January - 31 December 1966
Tour Date - When Joined Company
| Name | Rank | MOS | Tour | Purple Heart | Purple Heart | KIA |
| Sacks, Mitchell A | PFC | |||||
| Sales, John L, Jr | PFC | 0331 | 4 Dec 66 | |||
| Sanchez, Gilbert R | PFC | 0331 | 3 Nov 66 | |||
| Sanders, Richard D | PFC | 0331 | 4 Dec 66 | |||
| Sanner, Dale E | PFC | 0311 | ||||
| Santiago, Rafael, Jr | PFC | 0351 | ||||
| Saunders, Ephiram A | PFC | 0311 | 22 Aug 66 | |||
| Saunders, Richard W | L/Cpl | 0311 | ||||
| Saupe, William | PFC | 0311 | ||||
| Savageau, John Henry | PFC | 0311 | 20 Mar 66 | |||
| Scalf, James R | PFC | 0311 | 14 Oct 66 | |||
| Scarboro, James M | L/Cpl | 0311 | ||||
| Schick, Edward E | PFC | 0311 | 4 Dec 66 | |||
| Schlosser, Dean R | L/Cpl | 0311 | ||||
| Schneider, Karl-Heinz E | L/Cpl | 0351/0331 | ||||
| Schneider, Willis L | PFC | 0331 | ||||
| Schorr, Lawrence A | PFC | 0311 | 17 Aug 66 | |||
| Schott, Gary D | Cpl | 0311 | 4 May 66 | 23 Aug 66 | 10 Sep 66 | |
| Schrank, Marvin A | Sgt | 0369 | ||||
| Schriner, Junior L | Sgt | 0311 | 24 Dec 66 | |||
| Seay, James D | PFC | 0311 | ||||
| Sells, Jackie R | Sgt | 0311 | 20 Mar 66 | |||
| Sension, Andrew C | L/Cpl | 0311 | 24 Dec 66 | |||
| Seward, Harry, III | PFC | 0311 | ||||
| Sewell, Delbert R | PFC | 0351 | ||||
| Shafer, Stanley P | L/Cpl | 0311 | ||||
| Shaw, Gary L | PFC | 0311 | 17 Aug 66 | |||
| Shehorn, Charles A | PFC | 0311 | ||||
| Shimko, Donald T | L/Cpl | 0311 | ||||
| Shoup, Kenneth I | PFC | 0351 | ||||
| Siddons, Arthur L | Cpl | 0311 | ||||
| Simmons, David L | Cpl | 0351 | ||||
| Simpson, Gary L | PFC | 0311 | ||||
| Simpson, Mark A | PFC | 0331 | ||||
| Sims, Charles Wayne | Cpl | 0311 | 28 Feb 66 | |||
| Sisk, Walter B, Jr | PFC | 0331 | ||||
| Sites, Gary D | L/Cpl | 0351 | ||||
| Smith, Donald A | PFC | 0311 | 11 Jul 66 | |||
| Smith, Harold W | L/Cpl | 0311 | ||||
| Smith, James | Sgt | 0369 | 20 Mar 66 | |||
| Smith, Jerry A | PFC | 0311 | ||||
| Smith, Michael W | 1st Lt | 0302 | 22 Apr 66 | |||
| Smith, Milton A | PFC | 0311 | 9 Nov 66 | |||
| Sofarelli, Michael P | PFC | 0311 | 4 Dec 66 | |||
| Sofranski, John L | PFC | 0311 | ||||
| Sosa, Reuben | L/Cpl | 0311 | 4 May 66 | |||
| Speilman, Richard E | Cpl | 0351 | ||||
| Spomer, Richard H | PFC | 0311 | ||||
| Springer, Truman C | L/Cpl | 0351 | ||||
| Spurling, Carson W | PFC | 0311 | ||||
| Stallings, Michael E | PFC | 0331 | 20 Mar 66 | |||
| Starr, Jimmie, Jr | Sgt | 0369/0351 | ||||
| Stebbins, Robert B | Sgt | 0311 | 24 Dec 66 | |||
| Stekkinger, Walter E | PFC | 0311 | 4 May 66 | |||
| Steele, Michael J | PFC | 0311 | 4 Dec 66 | |||
| Stephens, Bing F | PFC | 0311 | ||||
| Stephenson, Richard L | PFC | 0311 | ||||
| Stevens, Wesley R | L/Cpl | 0351 | ||||
| Strayer, Herbert E | Cpl | 0311 | ||||
| Strickland, Joseph M | PFC | 0311 | 23 Aug 66 | |||
| Strickland, Roger A | Cpl | 0311 | 18 Jul 66 | |||
| Stueber, Monroe A | Sgt | 0311 | ||||
| Sturgis, Barry T | Cpl | 0311 | 17 Aug 66 | |||
| Suarez, Miguel A, Jr | PFC | 0351 | 8 Apr 66 | |||
| Summerscales, Stephen T | PFC | 0331 | 4 Dec 66 | |||
| Sutcliffe, Henry F | S/Sgt | 0369 | ||||
| Swanger, Jerry G | Cpl | 0311 | 20 Mar 66 | |||
| Swanson, David L | L/Cpl | 0311 | 20 Mar 66 | |||
| Swinehart, Howard I | PFC | 0331 | 4 Dec 66 | |||
| Sword, Daniel R | PFC | 0311 | ||||
| Szefler, Frank E | Cpl | 0311 | ||||
| Szymanski, John S | S/Sgt | 0369 | ||||