 1st Battalion / 7th Cavalry , 3rd Brigade 1st Cavalry Division was in the Fishhook very early May through 30 June when they crossed the river back into Vietnam . There was extremely heavy combat throughout the period . American losses were very heavy , with all units relying on heavy inflow of replacements to try to maintain at least half strength in the field . In one company , of all the men who had entered Cambodia , only nine left on 30 June , the rest having been either killed or wounded and evacuated . The unit was awarded the Valorous Unit Award , equivalent to individual Silver Stars , for their combat performance in the Fishhook . 
 1st Battalion / 7th Cavalry , 3rd Brigade 1st Cavalry Division<a href='been_done' title='1'><mark></mark></a> was in the Fishhook very early May through 30 June when they crossed the river back into Vietnam . <a href='dey_it' title='2'><mark>There</mark></a> was extremely heavy combat throughout the period . American losses <a href='uninflect' title='3'><mark>were</mark></a> very heavy , with all units relying on heavy inflow of replacements to try to maintain at least half strength in the field . In one company , of all the men <a href='null_relcl' title='4'><mark>who</mark></a><a href='been_done' title='5'><mark>had</mark></a> entered Cambodia , only nine left on 30 June , the rest <a href='been_done' title='6'><mark>having</mark></a> been either killed or wounded and evacuated . The unit was awarded the Valorous Unit Award , equivalent to individual Silver Stars , for their combat performance in the Fishhook . 
1st Battalion / 7th Cavalry , 3rd Brigade 1st Cavalry Division done was in the Fishhook very early May thru 30 June when they crossed the river back into Vietnam . It was extremely heavy combat throughout da period . American losses was very heavy , with alll units relying on heavy inflow of replacements to try to maintain at least half strength in the field . In one company , ofallll the men done entered Cambodia , only nine left on 30 June , the rest done been either killed or wounded and evacuated . Tdaunit was awarded thdaalorous Unit Award , equivalent to individual Silver Stars , for their combat performance in the Fishhook .