His arrest came as another former high-ranking Mexican official faces drug trafficking charges in U.S. District Court.
Estimates are up to 1,000 veterans are exiled in Mexico.
The nation’s armed forces are now involved in everything from construction of government projects to running tree nurseries.
The fighting happened on once Mexican land that now constitutes the cities of Pico Rivera, Montebello and Whittier.
Rebollar Gomez's son, 2nd Lt. Gibram Cruz is not allowed to travel to foreign countries without permission from the military.
Mexico's President Andres Manuel Lopez Obrador said there is "great cooperation" to fight drug trafficking.
The award is designated for troops who "encounter no foreign armed opposition or imminent hostile action."
Marine and Naval Criminal Investigative Service officials have not released any details on the pending charges.
One thousand Texas National Guardsmen will joint 1,100 active-duty troops on the border in the next several weeks.
Two Marine infantrymen were pulled over and arrested by U.S. Border Patrol, along with three undocumented immigrants.
There are nearly 15 million American males between the ages of 63 and 78. Approximately 5.5 million are Vietnam-era veterans.
In a letter to VA Secretary Robert Wilkie, Rep. Elaine Luria, D-Va., said the plan was developed with no notice to Congress.
Nearly half of the more than 69,000 claims for "Blue Water Navy" Agent Orange benefits have been processed.
About 200 soldiers going through Basic Combat Training at Sill were issued a full Army Green Service Uniform.
The operations halt follows a pair of recent crashes, including one that killed two military officers.