Это-мальтийский крест. Открываем Гугль, задаем maltese cross vietnam и на 3й стр
...находим, что это эмблема 2го батальона 35й ПД, которая действительно отметилась в 'Наме:
In 1966, 2/35 INF deployed with the 25th Infantry Division to South East Asia, Vietnam.
On 1 August 1967, 2/35 INF was relieved from assignment to the 25th Infantry Division and assigned to the 4th Infantry Division while in Vietnam.
Serving with the 25th ID and the 4th ID, 2nd Battalion 35th Infantry conducted 62 combat operations and participated in 13 campaigns.
On 1 September 1995, 3rd Battalion, 22nd Infantry’s Regimental colors were retired from active service and the unit was redesignated as 2nd Battalion 35th Infantry Regiment assigned to the 25th Infantry Division at Schofield Barracks Hawaii.
The battalion has participated in 27 campaigns in three wars and has produced nine recipients of the Medal of Honor.
