IMO after carefull examination (but I'm not a pro at this) they are wearing all the appropriate ribbons
according to the five step instructions from EHow. (Shared with provisions of The Copyright Act)
How to Identify Vietnam Era Army Decorations & Ribbons
Jeremiah Blanchard
http://www.ehow.com/how_6189041_identify-era-army-decorations-ribbons.html#ixzz1wLyAWJi8
Instructions
1
Identify the colors of the Vietnamese Service Ribbon. This decoration was presented to every member of the armed services who served during the time of the Vietnam War. The ribbon has green side borders, with a yellow background, and three vertical red stripes in the center.
2
Identify the design of the Vietnamese Presidential Unit Citation. This ribbon has a golden border, with a yellow background, and three thick vertical red stripes in the center.
3
Identify the Republic of Vietnam Gallantry Cross Unit Citation. This ribbon has a golden rope border, with a red background. The center of the ribbon is yellow with eight vertical stripes spaced evenly apart. Fixed to the center, you will find a palm branch positioned sideways. The medal is a four-degree military award, starting with a palm branch at the lowest degree. This medal may also have a gold, silver or bronze star in place of the palm branch, as a higher degree is earned.
4
Identify the design of the Republic of Vietnam Civil Actions Unit Citation. This ribbon has a golden rope border, with red side borders. The background is dark green with two vertical red lines in the center. A green palm leaf is positioned on the center of the ribbon.
5
Identify the Republic of Vietnam Campaign Medal. The ribbon has thick alternating green and white stripes, with a silver flag bearing the year 1960, followed by a dash and a blank space, positioned in the center.