MCM-9 USS Pioneer

Builder. Peterson Builders Inc., Sturgeon Bay, Wisconsin
Laid down. 5 Jun 1989
Launched. 25 Aug 1990
Acquired. 14 Aug 1990
Commissioned. 7 Dec 1992
Homeport. United States Fleet Activities Sasebo, Japan
Motto. Praecursor Pro Libertate ("Pioneer for Freedom")
Status. in active service
Class and type. Avenger-class mine countermeasures ship
Displacement. 1,367 long tons (1,389 t)
Length. 224 ft (68 m) o/a
Beam. 39 ft (12 m)
Draft. 13 ft (4.0 m)
Propulsion:
4 × Isotta-Fraschini austenitic steel non-magnetic diesel engines
2 × controllable/reversible pitch propellers
2 × rudders
2 × light-load electric motors
Speed. 14 knots (26 km/h; 16 mph)
Complement. 6 officers and 75 enlisted
Sensors and processing systems:
AN/SLQ-48 (V) Mine Neutralization System
AN/SQL-37 (V) 3 Magnetic/Acoustic Influence Minesweeping Gear
Oropesa type 0 size 1 Mechanical Sweep Equipment
MDG 1701 Marconi Magnetometer Degaussing System
Electronic warfare & decoys:
AN/SSN-2 Precise Integrated Navigation System (PINS)
AN/SQQ-32 Mine-hunting sonar
AN/SPS-55 Surface Radar
AN/WSN-2 Gyro Compass
Armament:
2 × Double M2 Browning .50-cal machine guns
2 × M60 7.62 mm machine guns
2 × Mk 19 grenade launchers