tenance, are permitted when operational or tactical
weapons systems, consists of component
maintenance, intermediate-level functions that are
situations dictate. These actions must be approved
performed ashore may be performed at depots. When
by the operational commander according to chap-
that is done, the functions remain intermediate-level
ter 3 of NAVSEA SW550-FO-PMS-010 and must
functions; that is, intermediate-level maintenance on
be performed by Mobile Mine Assembly Unit
depot-stowed assembled mines may be performed at
naval weapons stations.
The organizational-level function of delivering
A depot may have MOMAU teams assigned in
surface- or submarine-laid mines pierside for shipment
support of operational requirements. In that case,
i n a s s e m b l y c o n fi g u r a t i o n A i s p e r f o r m e d b y
i n t e r m e d i a t e - l eve l m i n e m a i n t e n a n c e r e m a i n s
shore-based activities. These mines normally do not
intermediate, regardless of where it is performed.
require further assembly or maintenance, other than
visual inspections, by personnel assigned to the user
organization. The mines remain on board only for the
duration of a specific mission and are returned ashore
Intermediate-level maintenance is performed by
for programmed maintenance if the mission is aborted
MOMAU activities responsible for providing direct-
and general-support mine maintenance to user
Aircraft-laid mines are delivered to air stations for
organizations. To the extent authorized by proper
planting by shore-based aircraft and are returned to an
authority, the following actions are intermediate-level
intermediate-level mine assembly activity if the
mission is aborted. For planting by carrier-based
· Assembly, disassembly, maintenance, and
a i r c r a f t , m i n e s d e l ive r e d o n b o a r d m a y b e
testing of mines
accompanied by detachments of MOMAU teams.
These teams, when required by operational
· Testing replacement, adjustment, alteration and
c o m m a n d e r s , a r e e q u i p p e d t o c o m p l e t e fi n a l
minor repair of assembly-level items
preparations or make operational setting changes to the
mines before their release to carrier personnel, who
special-purpose test equipment and tools
then load the mines on aircraft. Again, such
consignments are normally for the duration of a
specific mining mission only; the mines require no
maintenance for that duration except visual inspection.
The mines are returned to an intermediate-level
· Emergency fabrication of nonavailable parts
maintenance site if the mission is aborted or when
when so directed
programmed maintenance is required.
· Provision of technical assistance to user
Depot-level maintenance of mines includes the
Although assembled mines are not repaired at
support of intermediate-level maintenance activities.
a ny m a i n t e n a n c e l eve l , t h ey a r e s u b j e c t t o
Depots have more extensive industrial facilities and
intermediate-level programmed maintenance in
equipment than are available at intermediate-level
which malfunctioning or worn assembly-level items
may be adjusted, refurbished, or replaced by spares.
In the course of such maintenance, piece parts that
Supported by technical repair standards (TRSs)
are subject to loss, damage, or wear may be replaced
and overhaul, screening, and repair specifications
when they are listed in a mine bills of material
( O S R S ) d o c u m e n t s , t h e f o l l ow i n g a c t i o n s a r e
(MBOMs) of an activity. Replacing such items is
depot-level maintenance functions with regard to
considered minor repair.
assembly-level items, test equipment, and support
equipment: repair, alteration, modification, modern-
ization, overhaul, reclamation, and reconstruction.
Depot-level maintenances are performed only at
Programmed maintenance is a systematic means
specific shore-based military or contracting facilities.
by which mines are maintained in a ready-for-issue
Although depot-level maintenance, as applied to mine
(RFI) status. This is accomplished by applying class-B