A sergeant-major said to be mentally ill shot two colleagues dead and wounded another at the Army War College of the Army Training Command in Bangkok's Dusit district on Wednesday morning.
The army has regularly organised outdoor cinema events for new soldiers, a spokeswoman said on Friday, rebutting claims that it was copying an idea of Bangkok Governor Chadchart Sittipunt.
One soldier died and another was seriously injured after falling from a high cliff at Doi Montha in Tak while on duty patrolling the border for drug traffickers on Sunday.
The army has set up a committee to investigate the crash of an Enstrom 480B training helicopter, which killed both crewmen, in Muang district of Nakhon Sawan province on Tuesday morning.