Some of the photographs used are curtesy of their respective owners.
CREDITS:
Header Images
Horse in fog, backside of mounted police (4): 
Some rights reserved by cwwycoff1
Toddler with flag at parade: Some rights reserved by The U.S. Army
Mother and daughter by water: Some rights reserved by John H. Kim
Firemen with hose: Some rights reserved by USAG-Humphreys
Sailors saluting American Flag: Some rights reserved by Official U.S. Navy Imagery
St. Bernard’s Catholic Church: 
Some rights reserved by Mattinbgn
American Flag (for both merged graphic): Some rights reserved by Sam Howzit
Israeli Flag (for merged graphic): Some rights reserved by hoyasmeg
Holy Bible (for merged graphic): Some rights reserved by khrawlings
9-11 Tribute in Lights: Some rights reserved by NYCMarines
Construction workers on road: Some rights reserved by One Day Closer
Christmas In Florida: 
Some rights reserved by Global Reactions
Feature Graphics
Gun designed by Simon Child from The Noun Project
Target designed by Laurent Patain from The Noun Project