Lebanese troops carry out attacks on firing positions in Syria / Hezbollah to coordinate moves with Lebanese military as part of ceasefire / Post-ceasefire, strengthening Lebanon's army remains a challenge / Lebanon army deploys under Israel-Hezbollah ceasefire / Lebanon's army moves south as part of cease-fire deal, as U.S. weighs more arms to Israel / What to know about Lebanon's army, set to play a key role in cease-fire / Lebanon's army to redeploy to south as ceasefire takes hold / Ceasefire deal does not envisage US military presence in Lebanon's south -- Biden / Can Lebanon's army secure the south? A cease-fire deal could depend on it. / Middle East: Lebanon cease-fire 'in our grasp' -- US envoy