Katie and Joe:
1st Engineer Brigade
Katie and Joe:
2nd Engineer Brigade
Katie and Joe:
7th Engineer Brigade
Katie and Joe:
16th Engineer Brigade
Katie and Joe:
18th Engineer Brigade
Katie and Joe:
20th Engineer Brigade
Katie and Joe:
35th Engineer Brigade
Katie and Joe:
36th Engineer Brigade
Katie and Joe:
111th Engineer Brigade
Katie and Joe:
130th Engineer Brigade
Katie and Joe:
168th Engineer Brigade
Katie and Joe:
176th Engineer Brigade
Katie and Joe:
194th Engineer Brigade
Katie and Joe:
225th Engineer Brigade
Katie and Joe:
372nd Engineer Brigade
Katie and Joe:
411th Engineer Brigade
Katie and Joe:
411th Engineer Brigade
Katie and Joe:
412th Engineer Command
Katie and Joe:
416th Engineer Command
Katie and Joe:
420th Engineer Brigade
Katie and Joe:
555th Engineer Brigade
Katie and Joe:
926th Engineer Brigade