The purchase of the majority of shares in Dagenham and Redbridge comes as the Victoria Road Football investment group prepares to launch Memphis 901 in the second-tier United Soccer League next year.
The 39-year-old Howard is playing for Colorado Rapids in Major League Soccer after spells at English clubs Manchester United and Everton.
Dagenham and Redbridge plays in a 6,000-capacity stadium in the east of London.
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