Five of the Gloucester Rugby squad joined up with England on Sunday for a summer training camp at Loughborough University.
Ben Morgan, Matt Kvesic, Jonny May, Henry Trinder and Billy Twelvetrees all met up with England team mates at Loughborough ahead of the camp with preparations beginning ahead of the Autumn Internationals and Rugby World Cup 2015.
Fifty-five players will undergo strength and conditioning assessment as well as rugby training and depart at lunchtime on Wednesday.
England Head Coach Stuart Lancaster said: "This camp will give us a chance to get the wider squad together and an opportunity to review the New Zealand tour.
"It will be an important few days for us in terms of complementing the work that the clubs have been doing in pre-season with their strength and conditioning but also from a rugby point of view. The next time we meet will be two weeks before we play New Zealand in the QBE Internationals so this time together is vital.
"In collaboration with Premiership Rugby we have been given the flexibility to announce the England Senior and Saxons squads in October, much closer to our four international matches in November. We appreciate their support of our proposal which enables time to assess the first part of the club season and therefore select players who are in form leading into an important series for us. It also allows an opportunity for players not involved in the training camp this week to put down a marker in terms of their performances ahead of the squad announcement."
A senior squad consisting of 33 players and a 32-man Saxons squad will be announced in October.
England training squad
Alex Corbisiero (Northampton Saints)
Joe Marler (Harlequins)
Matt Mullan (Wasps)
Mako Vunipola (Saracens)
Kieran Brookes (Newcastle Falcons)
Henry Thomas (Bath Rugby)
David Wilson (Bath Rugby)
Luke Cowan-Dickie (Exeter Chiefs)
Dylan Hartley (Northampton Saints)
Rob Webber (Bath Rugby)
Tom Youngs (Leicester Tigers)
Dave Attwood (Bath Rugby)
Joe Launchbury (Wasps)
Courtney Lawes (Northampton Saints)
Geoff Parling (Leicester Tigers)
Ed Slater (Leicester Tigers)
Calum Clark (Northampton Saints)
Tom Croft (Leicester Tigers)
Will Fraser (Saracens)
James Haskell (Wasps)
Tom Johnson (Exeter Chiefs)
Matt Kvesic (Gloucester Rugby)
Ben Morgan (Gloucester Rugby)
Chris Robshaw (Harlequins)
Billy Vunipola (Saracens)
Tom Wood (Northampton Saints)
Jackson Wray (Saracens)
Danny Care (Harlequins)
Lee Dickson (Northampton Saints)
Richard Wigglesworth (Saracens)
Ben Youngs (Leicester Tigers)
Freddie Burns (Leicester Tigers)
Danny Cipriani (Sale Sharks)
Owen Farrell (Saracens)
George Ford (Bath Rugby)
Stephen Myler (Northampton Saints)
Henry Slade (Exeter Chiefs)
Anthony Allen (Leicester Tigers)
Brad Barritt (Saracens)
Luther Burrell (Northampton Saints)
Kyle Eastmond (Bath Rugby)
Jonathan Joseph (Bath Rugby)
Henry Trinder (Gloucester Rugby)
Manusamoa Tuilagi (Leicester Tigers)
Billy Twelvetrees (Gloucester Rugby)
Chris Ashton (Saracens)
Mike Brown (Harlequins)
Ben Foden (Northampton Saints)
Alex Goode (Saracens)
Jonny May (Gloucester Rugby)
Jack Nowell (Exeter Chiefs)
Chris Pennell (Worcester Warriors)
Marland Yarde (Harlequins)
Christian Wade (Wasps)
Anthony Watson (Bath Rugby)
The following players will not join the training squad this week due to injury:
Dan Cole (Leicester Tigers)
Sam Dickinson (Northampton Saints)
Ollie Devoto (Bath Rugby)
It's the first Gloucester-Bristol derby at Kingsholm in over eight years this Saturday (kick off 4:30pm) and, previewing the game with the local media this week, Defence Coach Jonny Bell stressed that, with both teams in the bottom half of the table, they both need the points.
Speaking to the local media this week, Gloucester front rower John Afoa knows the challenge ahead this week against Bristol, and calls on the Cherry and Whites to make the most of home advantage as a determined squad look to bounce back from a narrow loss to Saracens.
Tom Savage speaks to GRTV and the local media as Gloucester went down by 24-20 at Saracens on Sunday afternoon. The second row was disappointed with the result, despite a strong showing from the hosts.
Speaking immediately after the game, skipper Willi Heinz thought that Gloucester had executed their game plan reasonably well and competed hard against Saracens. However, it wasn't enough but the squad will have plenty to work on this week ahead of the derby match against Bristol.
Gloucester may be coming off their best win of the season, the 38-16 victory over Wasps last weekend, but Director of Rugby David Humphreys admits that Sunday's trip to Saracens is an even tougher test.
After a series of contract announcements last week, hooker Richard Hibbard is the latest Gloucester Rugby player to commit to a new contract at the club and told GRTV how much he enjoys playing in the Cherry and White of Gloucester.
Talk about a game of two halves. Things looked grim on Saturday as Gloucester trailed 0-6 to Bristol at half-time. However, Matt Scott's eighth try of the season got Gloucester off and running, and the visitors fell apart as the Cherry and Whites eased to a 26-18 bonus point Aviva Premiership win.