<div class="container">

  <p id="notice"><%= notice %></p>
  <div class="row">
    <div class="col-xs-3">
      <%= @advancement.user.name %>'s Advancements
    </div>
  </div>
  <div class="row">
    <div class="col-xs-3">
      <%= link_to 'Edit', edit_advancement_path(@advancement) %> |
      <%= link_to 'Back', advancements_path %>
    </div>
  </div>
</div>

<div class="container">
  <div class="row">
    <p id="notice"><%= notice %></p>
  </div>
  <div class="row">
    <div class="col-xs-12 text-center">
      <h3><%= @advancement.user.name %>'s Advancements</h3>
    </div>
  </div>
  <hr>
  <div class="row">
    <div class="col-xs-12 col-sm-10 col-sm-offset-1 col-md-8 col-md-offset-2">
       <ul class="nav nav-tabs">
         <% @advancement.ranks.each do |rank| %>
         <li><%= link_to rank.rank, rank_path(rank.id) %></li>
         <% end %>
       </ul>
     </div>
   </div>
  <hr>
  <div class="row pad-b-20">
    <div class="col-xs-3">
      <%= link_to 'Edit', edit_advancement_path(@advancement) %> |
      <%= link_to 'Back', advancements_path %>
    </div>
  </div>
</div>

Update advancement show with ranks
Update advancement show with ranks
