DFBX-C with MLI almost completely installed.
DFBX-H with current leads installed, under leak check.
DFBX-B on the shop floor, showing the vacuum end cap.
DFBX-B vacuum end cap close-up showing the weld plugging the hole where the standard leak was connected. This hole was plugged after all leak checks were done, so this weld on the vacuum cap was never leak checked before shipping.
Current lead on DFBX-H with leak in the G-10 stand-off.
Current lead on DFBX-H with leak in the G-10 stand-off. The leak is somewhere around the main G-10 stand-off, shown here. No visible flaws. An epoxy fix will be tried.