The white paper is expected to outline how reservists will work more closely with full-time regular members of the army.
A £42m budget will be provided for new kit and extra training for reserve forces.
It is also expected to reveal financial incentives for small firms employing reservists.
Concerns over the pressure that would be placed on employers to free up their staff for military duty have been highlighted by Wales This Week.
We are asking a heck of a lot from employers... the majority of Welsh companies are small to medium sized and they can't afford for people to go away for a long period. This will be part of the problem that will have to be solved if we want to make an effective Territorial Army in Wales.
Around 11,000 British troops based in Germany will return home by 2016 under plans which will see nearly £2 billion invested in Army housing and bases, Defence Secretary Philip Hammond will announce today.
Under the speeded-up withdrawal, the remaining 4,500 troops will be back in the UK by 2019, a year earlier than planned.
Around £1bn of the funding being announced today will go towards 1,900 new houses for service families and accommodation for 7,800 single soldiers.
Another £800 million will be spent on infrastructure and refurbishment of bases.
The Government hopes the plans will mean more cash is ploughed back into the British, rather than German, economy as well as creating new construction jobs in the UK.
Savings of around £240 million a year are also expected to be made through reductions in operating costs.
The Welsh Government acknowledges and appreciates the sacrifices made by our service personnel, and as in the rest of the UK, veterans are entitled to receive priority healthcare for service related conditions, relative to those with similar levels of clinical need who have not served.
The Welsh Government will liaise closely with the NHS as part of an all-Wales working group, established to lead and co-ordinate the work needed for the implementation of the Murrison Report in Wales.
The Royal British Legion in Wales says it working with both the Welsh Government and local health boards to ensure that ex-soldiers who have lost limbs while on active service get the treatment they deserve.
I think we need to be looking at a more holistic approach which brings in the armed forces champions which are now in place by local health boards and local authorities to provide not only that immediate care for a veteran, but also look at their wider needs
– Phil Jones, Royal British Legion Wales
One ex-serviceman Peter Bowker of Connahs Quay, whose leg was amputated below the knee, says that after leaving the army he struggled to get fa new prosthetic limb as his local health authority did not have the cash.
When I moved back to Wales the first six months of being a civilian my prosthetic leg was being held together by duct tape.
I did eventually get the funding for a new one. More and more soldiers will be coming back to Wales without limbs and the government here needs to be prepared.
– Peter Bowker
Recently the Royal British Legion wrote to a group of Welsh MPs saying there was a need to ensure veterans in Wales are able to make use of their right to priority access to medical treatment as they do in England.
Welsh soldiers are taking part in a cutting edge experiment which may shape the way future of our armed forces.
The Royal Welsh Regiment are being put through a virtual training programme designed to understand the tactics and strategies which may be needed in the future, as our Correspondent Carl Edwards reports.
"We're not expected to win every mission" says Sgt. Haydn Poyner.
"They throw different scenarios to see what assets are best used and what different situations, so sometimes you might get absolutely hammered and have mass casualties whereas sometimes we'll do extremely well and win the battle."
The project - known as 'Future Force - is based at the Army's Land Warfare Centre in Warminster.
"We're trying to determine exactly what we need to fight and win the wars of tomorrow" says Col. Tim Law, assistant head of army force development.