The seven-time Mr Olympia and action star hero built up a long and lasting friendship with the USA president and the 71-year-old Austrian-born superstar pointed out that Bush helped revolutionise the fitness boom in the 1990s.
Barbara Bush died on April 17 at their Houston home. Howard heads the Joint Force Headquarters-National Capital Region, the almost 4,000-strong military task force that is overseeing the funeral.
Bush's casket is set to arrive in Washington on Monday afternoon aboard the USA military airplane that's more commonly recognized as Air Force One.
Monday at 4:45 p.m. ET - Arrival ceremony at U.S. Capitol, Washington, D.C. Details of public access are yet to be announced.
Former President George H.W. Bush is remembered before the Pittsburgh Steelers play the San Diego Chargers at Heinz Field, Pittsburgh, PA, Dec 2, 2018. An invitation-only funeral service is set for Wednesday at Washington National Cathedral.
When Bush lies in state at the Capitol, his remains will be surrounded by a guard of honor representing the Army, Marines, Navy, Air Force and Coast Guard.
A funeral mass will be held at the church at 10 a.m. local time on December 6 for invited guests.
George Bush will receive a state funeral.
Israeli PM Netanyahu should be charged with bribery
Two key figures have turned state's witnesses in the case, including former media adviser to the Netanyahu family Nir Hefetz. In a statement, police said the investigation concluded that Netanyahu and Elovitch engaged in a "bribe-based relationship".
A ceremony will be held at the train station as Bush's casket is loaded onto a Union Pacific train.
McGrath and the presidential library didn't immediately respond to requests for comment. Bush's presidential library have released.
In the order, Trump said the decision was meant "as a mark of respect for George Herbert Walker Bush, the forty-first President of the United States". He would go on to serve as ambassador to the United Nations and China, head of the Central Intelligence Agency and chairman of the Republican National Committee before being elected to two terms as Ronald Reagan's vice president. He spent time with his large family, thereafter, while his public agenda included a number of philanthropic activities.
Colin Powell, who was chairman of the Joint Chiefs of Staff during that war, said he was confident in Bush's leadership because "he knew what combat was all about".
Former US president George H.W. Bush and his wife, former first lady Barbara Bush, arrive for the premiere of HBO's new documentary on his life near the family compound in Kennebunkport, Maine, on June 12, 2012.
During his later years, Bush suffered from a condition that mimics Parkinson's disease, which didn't allow him to walk and made it hard for him to speak. He passed away aged 94.
Bush spokesman Jim McGrath posted a picture on Sunday of the yellow Labrador retriever named Sully with the caption, "Mission complete".
"And he cocked one eye open and quipped, 'Well, you better hurry", James Baker recalled today as he described the 41st president's final hours of life.