Someone 'tagged' the US Flag on Union Pacific [UP] Engine No. 8448

Exposure Date: 2012:05:01 16:51:09;
Make: NIKON CORPORATION;
Model: NIKON D3100;
Exposure Time: 1/100.00010000009999 seconds s;
FNumber: f/9.0;
ISOSpeedRatings: ISO 400;
ExposureProgram: Other;
ExposureBiasValue: 0
MeteringMode: Other;
Flash: Flash did not fire, compulsory flash mode;
FocalLength: 210.0 mm mm;
FocalLengthIn35mmFilm: 315 mm;
Software: Adobe Photoshop CS2 Windows;