METAL GEAR SOLID: Peace Walker – Where to Find S Rank Soldiers for Mother Base

S Rank Combat
Obtained through late game outer ops volunteers or the recruit menu at very high heroism (100k+)
A rank personnel can be located in higher difficulty vehicle missions as the first escort group of the vehicle (not the backup units)

S Rank R&D
Extra Ops: 49 – Perfect Stealth (2x A rank soldiers)
While only A rank to begin, with higher morale from a well staffed Mess Hall they will rank up to S over time. The soldiers in this mission are POW’s to rescue, not the enemy soldiers

S Rank Mess Hall
Extra ops: 46 – Perfect Stealth (1x S rank soldier)
First map, second spawn is S rank, analyse to be sure, this mission also contains multiple A rank soldiers of various skills

S Rank Medical
Extra ops: 26 – Eliminate Enemy Soldiers (1x S rank soldier)
A prisoner on the opposite side of the map past a sniper hallway

S Rank Intel
Main ops: 05 – Rescue Chico (1x S rank soldier)
Main ops: 08 – Destroy the Barricade (2x S Rank soldiers)
Note: These soldiers are the snipers on the cliffsides and will require the C.Gustav Fulton Launcher to acquire which is located by completing Extra ops 98 & developing with R&D level 74, Medical level 56, & Intel level 67

Certain missions will only unlock after completing others, consult this list to see the prerequisite missions.

This is assuming you’ve completed the Main ops story #1-#26 for up to chapter 4 as well as #27-#32 as soon as they become available which are unlocked in the post game at a staggered rate after completing multiple extra missions.

14 > 22 > 67 > 103 > 32 > 15 > 8 > 56 > 90 > 76 > 42 > 19 > 95 > 39 > 35 > 106 > 112 > 16 > 33 > 71 > 21 > 93 > 86 > 63 > 74 > 57 > 59 > 84 > 40 > 82 > 60 > 78 > 36 > 108 > 34 > 99 > 116 > 17 > 101 > 110 > 43 > 97 > 118 > 23 > 24 > 105 > 25 > 70 > 26 > 27 > 94 > 44 > 41 > 77 > 20 > 89 > 55 > 79 > 9 > 66 > 73 > 107 > 58 > 61 > 92 > 62 > 100 > 64 > 65 > 87 > 111 > 45 > 46 > 102 > 47 > 48 > 91 > 49 > 75 > 50 > 83 > 37 > 98 > 104 > 72 > 85 > 109 > 96 > 81 > 113 > 115 > 117 > 119 > 68 > 120

Note that missions 121-128 are only accessible after listening to or skipping through Chico’s briefing tapes in the mission screen under “Briefing Files” before deploying on any mission & then visiting the pier on the beach during Extra Ops #29 instead of completing the objective

This section under construction