Twenty-five players accompanied the new boss on Friday's flight to the USA for their pre-season tour.
Youth-team products Sam Johnstone, Tyler Blackett, Michael Keane, Reece James, Jesse Lingard and Will Keane all made the cut, but there was no room for James Wilson and Tom Lawrence, who made their first-team debuts at the end of last season, or Nick Powell
United had announced earlier this month that stars like Wayne Rooney, David De Gea and Juan Mata would travel to the US along with new signings Luke Shaw and Ander Herrera
Robin van Persie, Javier Hernandez, Marouane Fellaini and Adnan Januzaj are still on holiday after the World Cup
Michael Carrick is a notable absentee after undergoing ankle surgery on Thursday morning that could rule him out for the first two months of the season
In his first press conference later in the day, Van Gaal said he would spend the next three or four weeks assessing the players he has at his disposal before deciding on potential new signings and departures
United will play their first match of the tour against the Los Angeles Galaxy next Thursday before taking on Roma, Inter Milan and Real Madrid in the International Champions Cup
If they make the final, they will play a fifth match in Miami on August 4
The tour will be a big chance for the likes of Tom Cleverley, Darren Fletcher, Ashley Young, Shinji Kagawa and Nani to prove they deserve a future at Old Trafford
The fate of Anderson and Bebe already appears to be sealed, though, after they were left out along with left-back Patrice Evra, who is expected to join Juventus
Chris Smalling, Phil Jones and Jonny Evans will hope to stake their claims to be first-choice centre-backs following the departures of Rio Ferdinand and Nemanja Vidic
Spanish midfielder Herrera, who joined United from Athletic Bilbao last month, is looking forward to the tour.
He told MUTV: "It will be a new experience for me because it will be my first time outside Europe
All the people have told me there is a lot of United fans in America and I can't wait to play in front of them
"I am very happy and really enjoying being at the club and in the city
The first couple of weeks here have been great.
"Training has been good, similar to at Bilbao in that we train a lot with the ball
The coaches want us to have the ball and keep possession, which is great for the players."
Source : PA
Source: PA