Seabees from Naval Mobile Construction Battalion (NMCB) 133 deployed for the first time in mid-February 2019 to 5th, 6th, and 7th Fleet AOR's with organic 3-D printing capabilities.
The process known as additive manufacturing describes the technologies that build 3-D objects by adding layer-upon-layer of material, whether the material is plastic, metal, or concrete. The process involves the use of a computer and special CAD software, which can relay messages to the printer so it "prints" in the desired shape.
NMCB-133 was outfitted with several "Tactical Fabrication (TACFAB) Kits" consisting of 3-D scanners, printers, laptops computers and the software to tie them all together. Cmdr. Luke Greene's vision is to use his TACFAB kits both at the command headquarters in Camp Mitchell, Rota, Spain and also throughout NMCB-133's various job sites in Europe, Africa and Southeast Asia.
Rear Adm. Brian Brakke, Commander, Navy Expeditionary Combat Command, left, is briefed on the capabilities of additive manufacturing using a 3-D printer during a Naval Mobile Construction Battalion 133 field training exercise at Camp Shelby.
The capability to engineer and print both original designs and certain stock numbered items will be a game changer for the Seabees. They are testing the ability to manufacture both Class IX repair parts and Class IV building materials. Access to these critical components can often be the difference between mission success and lengthy delays.
NMCB-133 is excited for this ground breaking opportunity coming off of a highly successful inter-deployment training cycle where they had a chance to use the printers summer 2018 during their Field Training Exercise (FTX). The goal was to test the proof of concept of using 3-D printers in the field to produce needed supplies and repair parts.
According to Lt. Michael Lundy, a reservist attached to the Fleet Readiness and Logistics staff for the Office of the Chief of Naval Operations who helped NMCB-133 facilitate the use of several 3-D printers in the field, the possibilities of this technology are endless.
"We printed more than 30 different parts and identified 50 others so far that need to be drawn up by engineering aids on the computer. Once these drawings are complete we link the computer to the printer," Lundy said. "The upside to this process is with the proper database they can print repair parts as opposed to waiting 30 to 90 days for new parts to come in. The only constraint to this technology for Seabees is their imagination."
A selection of more than 30 different parts made in the field using a 3-D printer in use during Naval Mobile Construction Battalion 133's field training exercise on board Camp Shelby, Miss. Fifty other parts were identified that can be drawn up by Engineering Aids on the computer. Once these drawings are complete they can be linked to the 3-D printer via a computer and produced.
(Photo by MCCS Jeffrey Pierce)
Ensign Femi Ibitoye, NMCB-133's Alfa Team Commander, worked in architectural design prior to his service in the Navy, and has experience useful for this technology.
"I have experience drawing plans in 3-D and in prototyping using specific programs. The iterative process used in architecture is very similar to the process used in Additive Manufacturing," Ibitoye said.
Chief Construction Mechanic Gail Best was witness to the true potential of this technology.
"We were able to print a bushing for the adjustable shock absorber used on our medium tactical vehicle replacement tractors and wreckers. We cannot order this particular part separately, so if it fails, we have to replace the entire shock absorber," Best said. "The shock absorbers cost $10K each, however, we were able to print a new bushing here in the field for about $1 and install it. We had three vehicles go down due to a failure of a minor plastic part. We were able to print them, install them, and get the vehicles back up and running," Best said.
According to Cmdr. Joe Symmes, 22 Naval Construction Regiment's supply officer, in the not-too-distant future, 3-D printing could give Seabees the ability to print needed supplies and repair parts on the battlefield.
"Additive manufacturing capabilities are an important component to future Seabee readiness. Imagine being able to carry a warehouse in a box that has the capability to print assets across almost all classes of supply," Symmes said. "Now imagine that 'virtual inventory' has the ability to adapt to changing scenarios on the battlefield with minimal to no communications across the electromagnetic spectrum. For a logistician these concepts were the stuff of sci-fi films just a few years ago. Now they are available in commercial, off-the-shelf products that are accessible to households across America."
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