Rail Gun ID Help. WW1 Pic.

[Airforce1]

Got these pics at an auction a while back. I have seen many videos of this thing firing but have yet to know what this gun is. It says on the back it was captured and sent stateside. It's the one in the second picture. Any help would be appreciated.

[woodie]

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Baldwin Locomotive Works delivered five trains for the United States Navy during April and May 1918. Each train transported and supported a 14 in (356 mm) naval rifle mounted on a rail carriage with four 6-wheel bogies. These guns were the Mk 4 14"/50 caliber guns used on New Mexico and Tennessee class battleships. Baldwin constructed six similar gun carriages and two of an improved Mk II type designed to permit firing the gun at all elevation angles without transferring weight to a separate foundation. These eight guns were completed too late to see combat

we are talking the railway gun? As close as I can find..but many features are similar.. http://1914-1918.invisionzone.com .source

[woodie]

http://www.youtube.com/watch?v=WpClQgAodPE
http://www.youtube.com/watch?v=T7al-ZJmSlM

footage of the railway gun in question...

[Airforce1]

Ahh. Thank you. I read the back wrong, it says that they brought that one over there.